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Document:	DECrouter 250 Hardware Installation
Order Number:	EK-A0424-IN
Revision:	001
Pages:	144
Original Filename:

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DECrouter 250

Hardware Installation

February 1990
This manual explains how to install the DECrouter 250 system

and how to verily its operation. The manual als¢ describes the
DECrouter 250 hardware controls and indicators. This manual
is intended for the hardware installer.

Supersession/Update Information:

This is a new manual.

Software Version:

DECrouter 250 V1.0

Order Number:

EK-A0424-1N-001

EK-A0424—IN-001
February 1950

to change without notice and should not be construedas a
The information in this documentis subject
commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibllity for any errors that may appear in this document.

The following are trademarks of Digita! Equipment Corporation:

DEC
DECconnect
DECnet

LNO03
Micro/RSX
Micro/VAX

ULTRIX-32
UNIBUS
VAX

DECserver

PDP

VAXcluster

DECUS

Professional
Rainbow

VAX/VMS
VMS

RSX

RSX-11M-PLUS

MS-DOS Is a registered trademark of Microsoft Corporation.
IBM is a registered trademark of international Business Machines Corporation.

PC, PC/XT, PC DOS, and Personal Computer AT are trademarks of international Business Machines Corporation.

This manual was produced by Networks arnd Communications Publications.

‘

Contents

Preface

Cerview
11

1.2
1.2.1

1.22
1.23

1.3

1.4
1.4.1

142
143
144
145

Installation Overview ........ ... ittt cnrannssnnens
Hardware OVerview . .........coivtrienarooransrnsrsnes
e
tt
it it
MoOdels ...t
Functions of the DECrouter 250 ................0cvvt
Router Controls, Indicators, and Connectors .............
Software Requirements .. ........c.coviienneerecrrnieeens

1-1
1-4
1-8
1-10
1-11
1-13

Digital On-Site Service ...................... e
DECImailer ........0i it ittt i ittt

1-14
i-14

Service Oplions . .........covuvieiiiiiie

Installation Service .. ... .ottt et
Software Product Service Agreements ............... L.
TOAIMINE .. .ovviittienriernaneaanereanaasseiinnas

1-14

1-14
1414
1-14

Unpacking the Boxes
2.1

2.2

MNumber of Boxesin Shipment ..........................
Contents of DECrouter 250 Hardware Shipment ..........

2-1
2-1

Site Verification
31
3.1.1

Verifying Hardware and Cable Requirements ..............
Physical Requirements ...............ccccoiiveiinnnnn

3.13

Environmental Requirements ................cc0vvnvnn
Electrical Requirements ..................ccovivnnnn

314

LeakageCumment .......... ...ttt

315

...,
Line SpeedRestrictions . ........................
Cabling Requirements ...............coooiievienennn

3.1.2

3.1.6

3.1.6.1
3.16.2

3.2

Standard Ethermnet Connection ......................
ThinWire Ethernet Connection .....................
PreinstallationChecks . .. ......... ..ot

3.2.1

.
ivnnnn
.....
... coiiiiiiniii
HardwareChecks .....

3.2.2

Software Checks . ...........cciiiiiiiiii ittt

Hardware Installation
4.1

Completing the Router IdentificationCard . . ...............

4.2

Placingthe Router . . ....... ...

it iiiiiinnenen

4.2.1

Placing the RouterinanOffice .......................

4.2.2

Rack Mountingthe Router ...........................

4.3

Verifying the Voltage Select SwitchSetting . ...............

Testing the Router Hardware

........... b

44.1

Selecting ThinWire Ethemet

442

Connecting the ThinWire T-Connector and

443

Terminatons . . ... ...vvii i nnenonnnrnnenansnes
o
Connecting Powertothe Router .................. oo
i it
... ........
Running Self-Test .....

49
411

Selecting the ThinWir= or Standard Ethemmet LAN ..........
Connecting to Standard Ethernet LAN . ...................
Connecting to the ThinWire Ethemet LAN ................
Connecting tothe DevicePorts . . ...............
... ...

4-14
4-16

444

4.5
4.6
4.7

4.8

48.1
48.2
44

. ........................

4-11

Connecting to a 25-Pin DevicePort . ...................
Connecting to a S0-Pin DevicePort .. ..................

4-18
4-20
4-21
4-24

Connecting a Terminal to the Console Port Connector. .......

4-28

4.10
4.11
5§

5.5.7
5.6
5.6.1
5.6.2

4-31
4-32

What to Do If You Have Problems
5.1
5.2
5.3
54
5.5
5.5.1
5.5.2
5.5.3
554
5.5.5
3.5.6

Initializingthe Router .............cccceoviiiiinnnnnney
Verifying the Router System Insiallation ..................

ProblemIndicators .............ccciiririonirenencanen
Diagnosing Router Problems ....................c000nnn
Seven-Segment Display Off ....................c0vviee,
Diagnostic Dot Off/Seven-Segment Display Flashing ........
Diagnostic Dot Blinking ....................ociiiiiia
ErrorMessage 1003 .............coiiiiiiiiiiinnene,
EmrorMessage 1004 ...............coiiiiiianenenns
..
i,
...
ErrorMessage 1007 ............
ErrorMessage 1008 . ............... ..o,
,
..
..o
.......
ErrorMessage 1010 ....
ErrorMessage 1001 ........... ..o,

ErrorMessage 1012 ... ... ... oot
Seven-Segment Display Hasa*3” .......................
Down-Line Load Starts, ThenFails ....................
Down-Line Load Does Not Start ......................

5-1
5-1
3-2
5-3
5-3
3-3
34
34
5-4
5-4
5-5
5-5
5-5
5-6
5-6

Connector and Cable Pin Descriptions
Connector Pin Descriptions . ....................00vvien
Al
..
Ethemet TransceiverInterface .....................
A.l.l
Device Port Connectors ............... e
A.l12
A.121
25-PinD-Connectors . ............ccovvvnennnnnns
EO-Pini D-ConneTlONs . ..o vvvveireenecnnasrensrenes
A.122
Console Port Connector ...........covvvvvnrraninnans
Al3
Cable StruCture . .......coiiviiiiniireecenncnnenranens
A2
A2l

A21.l
A21.2
A.2.1.3

Device Cables and Loopback Connectors for Serial

Communication 25-Pin D-Connectors ... ...............
BC17D Shielded Null-Modem Cable ................
BC22D Shielded Null-Modem Cable ................
BC22F Shielded Straight-Through Modem Cable . .....

A-1
A-1
A-2

A-3
A-4
A-6
A-7

AT
A-8
A-9
A-10

A214

H3266 Loopback Connector .......................

A2lS

V.24/RS-232-C Adapter (12-27591-01) ...............

A22

Device Cables and Loopback Connectors for Serial
Communication 50-Pin D-Connectors ..................

A.2.2.1

BC19B-02 Syachronous Line AdapterCable ..........

A22.2

BC19E-02 Synchronous Line Adapter Cable ..........

A223

BCI19F-02 Synchronous Line AdapterCable ..........

A224

BC23V-02 Synchronous Line Adapter Cable ..........

A22S5

BC22X-02 BT Kilostream Adapter Cable
UK. Only)

...ttt iiiiiiiiie

A.2.2.6

H3199 Universal, 50-Pin, Loopback Connector ........

A22.7

H3198, 37-Pin, Loopback Connector .................

A228

H3250, 34-Pin, Loopback Connector . .. ..............

A.23

Synchronous Line Extension Cables for Serial
Communication .............ccciiiiiiniirrinennnnn,

A24

BC16E-xx 6-Conductor DEC OfficeCable ..............

A2S

H3103 MM) Loopback Connector . . ...................

A26

H4080 Tumaround Connector . ............c.covuven..

Dort Devices Sunpeorted by the DECrouter 250
B.1

Personal Computers

B.2

Modems

............ccoiiiiiiiiiiiiinnsans

.............iiiiiiiii ittt

Cabling Strategies
C.1

Router-to-Network Connection

.................c.0uv.ns

C.l1

Standard Ethemet Connection ........................

C.1.2

ThinWire EthemetConnection . . ..................cc...

C.2

Router-to-DeviceConnection ..............c.ccieverens

C.2.i

Connecting to 25-PinD-Connector ....................

C.2.2

Connecting to 50-Pin D-Connector ....................

Parameters...an.dP.ar.am.et.ers.P.ortNDoedveicCeonCfoingfuirgeurtoeHtooHwow
.c..i..in.ti.in.n.r.i..ei.n.i.ia.nn.i..ini..i.nn..nn.n..s,n..e..t.nics.sC.caai.bntP..clda.oeriPsvat.Pamalrietnsast.smePinwer.otosrertrPdTaos.eiRrnPs.todotuDrDtateeeDviDrve.ieivtcMvcihe.ieoeccCPNdeaSeahoPeeTrdtoCemaecrhstmPkttoIeacittHtHrsekooaolrHHtmowswoceootNatHwwoloedrwes

.....MC.o.dn..eL.mo.ca,.tdoL..rDoco.L.awoln..a-IpntL.b.sdiaPnCCc.Raakerbb.mlltaceoh.UssetP,,saemiIIrMrntteassogtmPPdeSooEetrremnttar,,.FbsDDlaceeeNnt/vvodoDiidriccLyseeiantCaaboehl,TTReeeMcsstokttudrttHooneoHmHtwooIHiwwsow
D.7.3
D.7.1

D.75

D.74 D.7.2
D.5

D.4.2
D.A4.1
D4

D.3.1 D3 D.2.5

D.23

CotDPH.n..a..ef.r.oaivmgierutcwetres T......E.oitiirinSencnennsTComand

D.2.1 D.2

How to Order i’ wrdware
E.l

DECrouter 250 ......cciviiiriiii ittt E-1 ‘
DECrouter 250 ACCessOories . ........c.cvvivvevnrnnnensos

E-3

E.J3

DECrouter 250 Device Cables and Adapters .. .............

E-3

TransceiverCables ...............cciiiitiiiirnnennnns

E-S

Figures
1-1

DECrouter 250 System Installation

......................

1-2

DECrouter 250 Model DSRVR-AX ......................

1-3

DECrouter 250 BackPanel .............................

2-1

Contents of the DECrouter 250 Hardware Shipment .........

4-1

RemovingtheCovers ..............c.ciiiiiiiiinnennn,

4-2

Rack MountingtheRouter .............................

4-3

Locating the VoltageLabel .............................

Removing the VoltageLabel . ...........................

4-5

Checking the Voltage Select Switch ......................

4-6

Adjusting the Voltage Select Switch ......................

4-7

Selecting ThinWire Ethernet . .. .........................

4-8

Connecting the ThinWire T-Connector and Terminators

4-9

Connecting PowertotheRouter . ........................

4-10

The Seven-SegmentDisplay . ...........................

4-11

Selecting Standard or ThinWire Ethernet .. ................

4-12

Unlocking the SlideLatch

4-13

Connecting the TransceiverCable .......................

4-14

Locking the Standard Ethernet Connector .................

4-15

Connecting to the ThinWire Ethemet LAN ... .............

4-16

Connecting to the 25-Pin D-Connector

4-17

Connecting totheModem .............................

4-18

Connecting V24/RS-232-C Adapter to the 25-Pin

. ....

.............................

...................

D-Connector ............iiiiiiit it

4-23

4-19

Connecting Cable to the V24/RS-232-C Adapter ...........

4-24

4-20

Connecting to the 50-Pin D-Connector

. ..................

4-25

4-21

Connecting an Adapter Cable to an ExtensionCable . ... .....

4-26

4-22

Connecting totheModem ................... ..ot

4-23

Connecting an Adapter Cable, V24/RS-232-C Adapter
and ExtensionCable .................
... ... oo,

4-24

Connecting to the Console Port Copnector . .. ..............

4-25

Connectingtothe Terminal .. ................
... .00l

4-26

Connecting to 25-Pin D-Connector Terminal ..............

A-1

Pin Numbers for Standard Ethernet Transceiver
Interface Connector . ..........ivitt
it iiiinnnnernnnnns

A-2

Pin Numbers for 25-Pin D-Connector ....................
Pin Numbers for 50-Pin D-Connector

....................

Pin Numbers for the Console Port Connector

..............

A-5

Wiring Dicgram for BC17D Null Modem Cable ............

A-6

Wiring Diagram for BC22D Null Modem Cable ............
Wiring Diagram for BC22F Straight-Through Cable .........

A-8

H3266 Loopback Conn=:OF . ... ........cvivivnivnnnnns

A-9

Wiring Diagram for V.24/RS-232-C Adapter ...............

A-10

Wiring Diagram for BC19B-02 Synchronous Line
AdapterCable .......... ... .. .. ... . . . e

A-11

Wiring Diagram for BC19E-02 Synchronous Line
AdapterCable . ... ...

A-12

... ... ...

Wiring Diagram for BC19F-02 Synchronous Line
AdapterCable ...........
... ... ... ..
il

A-13

Wiring Diagram for BC23V-02 Syrchronous Line
AdapterCable .......... ... .. ... i i

A-14

Wiring Diagram for BC22X-02 BT Kilostream
AdapterCable .........

A-15

... .

Wiring Diagram for H3199 Universal, 50-Pin,
Loopback Connector ...........
... iiiiitininnnnnens

A-16

H3198, 37-Pin, Loopback Connector .. ...................

A-17

Wiring Diagram for H3250, 34-Pin, Loopback Connector . ...

A-18

Wiring Diagram foi BCI6E-xxCable

A-19

Wiring Diagram — H3103 Loopback Connector . ...........

A-20

H4080 Tumaround Connector ..........................

C-1

Standard Ethernet Coaxial Cable Connection . . .............

C-2

ThinWire Ethemet Stand-Alone Segment .. ...............

C-3

DEMPR ThinWire Connection .. ........................

....................

DEMPR Connections ...........ccooviunrivinnnreenans

C-6

1-1

RouterControls .......... ..ottt

1-12

1-2

RouterIndicators . ... ....... ...ttt

1-12

1-3

Router CONNECIOrS ... .....ccviiiinennerninninnnens

1-13

3-1

Physical Specificationof the Router .. ....................

3-2

Environmental Specifications of the Router ................

3-2

3-3

Electrical Requirements ..................oviiiiinnnn.

3-3

3-4

Earth LeakageCurrent ...............
... ...

3-3

3-5

Maximum Communications Distances . ...........

.......

Maximum Cable Lengths — Router to Devices . ............

3-5

4-1

Seven-SegmentDisplayCodes ..................cc0vvtt

4-13

4-2

DiagnosticDotDisplay ................
... ool

4-13

5-1

Display/Indications .. ......................
. .ot

5-2

A-1

Pin Descriptions for Standard Ethemnet {ransceiver lnlcrface ..

A-2

Pin Descriptions for 25-Pin D-Connector . . . ...............

A-3

Pin Descriptions for 50-Pin D-Connector . . ................

A-5

A-3

Pin Descriptions for 50-Pin D-Cennector (Cont.) ...........

A-F

Pin Descriptions for Serial Communication Interface ........

A-7

A-S

Synchronous Line ExtensionCables .....................

A-23

C-i

Standards Supported on 25-Pin D-Connector . ..............

C-6

C-2

Standards Supported on 50-Pin D-Connector . ..............

C-7

D-1

Device PortParameters .. ..............
... .. ... ...

D-2

Factory Set Parameteis

D=10

E-1

DECrouier 250 ........ ..

E-2

DECrouter 250 ACCESSOTIES ... ......coovnvirinnninnnn
s

E-3

DECrouter 250 Device Cables and Adapters ...............

Tables

index

...................c.c0vvun....
i

Preface

intended Audience
This manual is intended for the hardware installer. The installer is responsible for ensuring that the hardware is installed and tested. The person installing the DECrouter
250 software can then verify the system installation.

NOTE

The DECrouter 250 system is comprised of a
DECrouter 250 hardware unit and DECrouter
250 software.

Structure of This N.anual
This manual contains the following chapters and appendixes:
Chapter 1

Provides an overview of the system installation.

Chapter 2

Describes how to unpack and check the contents of the shipment.

Chapter 3

Describes how to verify that the site is prepared for installation
and lists the technical specifications of the router.

Chapter 4

Provides instructions for installing and testing the router

hardware.

Chapter 5

Provides simple troubleshooting steps to correct problems encountered during the hardware installation.

Appendix A

Describes connector pins for the various router connectors and

also describes various cables, adapters and accessories used with
the router.

Appendix B

Lists the port devices supported by the router.

Appendix C

Describes procedures to cable to the network and to port devices.

Appendix D

Describes the Bootline Configuration Program and how you use
1.

Appendix E

Provides information on ordering the router, router accesscries
and router cabies.

Other DECrouter 250 Manusals
©

DECrouter 250 Software Installation (op-sys)
Explains how to install the DECrouter 250 distribution software, how to estab-

lish down-line load hosts, and how to verify the DECrouter 250 system installation. In the title, (op-sys) is the name of the load host operating system. This
guide is intended for the load host sy stem manager.
DECrouter 250 Identification Card
Provides the space to record the serial number, Ethemet Address, DECnet node

address, and DECnet node name of the router. This document is intended for
the network manager and the software installer.

DECrouter 250 Management, Volumes 1 and 11
Describes all the initial and day-to-day management tasks. The topics cover all

the information needed to configure the ports and to customize the permanent
and operational databases of the router. This guide is intended for the network
manager.

Routing and Networking Overview
Describes the basic routing terminology and concepts, and provides guidelines

for achieving optimal routing performance when configuring networks.
DECrouter 250 Maintenance Card

Summarizes procedures for installing and downline loadir.g the DECrouter 250
system. Aliso, contains information for diagnosing DECrouter 250 problems

and lists device cables and adapters.

FCC NOTICE
The equipment described in this manual generates, uses and may emit radio frequency energy.
The equipment has been typc tested and found to

comply with the limits for a Class A computing
device pursuant 10 Subpan J Pant 15 of FCC
nules, which are designed to provide reasonable
protection against sucb a radio frequency inter-

face when operated in # commercial environment. Operation of this equipment in a residential

area may cause interference, in wi..ch case the
user at his own expense may be required to take
measures ¢ correct the interference.

xiif

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1
Overview

1.1 instaliation Overview
Installing the DECrouter 250 system consists of the following:
e

Installing the hardware

Installing the software

Verifying the system installation

This chapter provides an overview of the system installation and of the DECrouter 250
hardware. The procedures for installing the software and for verifying the system in-

stallation are contained in the DECrouter 250 Software Installation manual.
NOTE
Connection to individual devices is not described in detail. For more information, see Appendix C and the

DECconnect Svstem Planning and Configuration
Guide.

There is no prescribed order for installing the hardware and the software. You may both
install and test the hardware without using the software. You can install software on a
load host before you install the hardware. However, the hardware and software must

both be installed to verify the system installation. Figure 1| identifies the major steps
that make up the total system installation.

Figure 1-1: DECrouter 250 Syst( m instatiation

START

UNPACK

REFER TO CHAPTER 2

VERIFY THE SITE

REFER TO CHAPTER 3

COMPLETE THE ID CARD

REFER YO SECTON 4.1

PLACE THE ROUTER

REFER TO SECTION 4.2

HARDWARE

INSTALLATION

VERIFY THE VOLTAGE

SELECT SWMTCH SETTING

REFER TO SECTION 4.3

1
TEST THE ROUTER HARDWARE

CONFIGYRE_DEVICE

S(GFrioRAL)

| REFER TO SECTION 4.4

PORTS

REFER TO APPENDIX D

( CONVINUE TO NEXT PAGE )
LHe~3108-88A

-2

DECrouter 250 Hardware Installation

Figure 1-1 (Cont.): DECrouter 250 System installation

CONNECT THE ROUTER
TO THE NETWORK

REFER TO SECTION 4.6

CONNECT THE SERIAL
COMMUNICATION LINES

REFER TO SECTION 4.9

|
INITIALIZE THE ROUTER

.
SOF TWARE
INSTALLATION

’1'

SYSTEM

VERIFICATION

REFER TO SECTION 4.10

INSTALL DISTRIBUTION

SOF TWARE
l

REFER TO DECyouter 250
Sofiware Installation

CONFIGURE LOAD HOST
NODE DATABASE

REFER TO DECyouter 260
Sofiware Insgtallation

VERIFY THE ROUTER

SYSTEM INSTALLATION

REFER TO SECTION 4.11

1
LK- 5110~80A

Overview

1.2 Hardware Overview

The DECrouter 250 is a high-performance, router that connects synchronous ol
asynchronous devices (PCs, workstations, modems, and so forth) to each other and tc
an Ethemet or IEEE 802.3 local area network.
WARNING
Ethemetinstallations may extend to thousands of meters
and couple hundreds of separate items of equipment. To
prevent hazardous volitages appearing on the installation, it is important that all the equipment be part of a
common equipotential system as defined in IEC publications 364-4-41 clauses 413.1.2and 413.1.6. Where it

is required to couple equipment outside of the main

equipotential bonded area via Ethernet, then optical repeaters or other such galvanically isolated measures
must be employed. If in doubt please refer to Digital
Equipment Corporation for advice.
ADVARSEL

Ethernet-installationer kan streekke sig over
tusindvisaf meter og forbinde hundredevis af
separate dele af udstyr. For at undgé farlig
speending i installationerne er det vigtigt, at
alt udstyret er del af et feelles jordingspunkt
som definereti IEC publikation 364-4-41,
klausulerne 413.1.2 og 413.1.6. Hvor det er
nedvendigt at forbinde udstyr udenfor det
storre feelles jordingspunkt via Ethernet,
skal der anvendes optisk kobling eller anden
form for galvanisk isolering af udstyret. For

yderligere oplysninger henvises til den lokale

Digital afdeling.

VAROITUS

Ethernet-verkot voivat olla tuhansia metreji
pitkid ja nithin voidaan liittdd satoja eri-

laisia laitteita. Jotta verkkoon ei pddsisi syntymdin vaarallisia jiinnitteiti, kaikkien laitteiden on ehdottomasti kuuluttava samaan
potentiaalintasausjiir jestelmdiin, jonka om-

inaisuudet on méiritetty IEC:n julkaisussa
364-4-41 kohdissa 413.1.2 ja 413.1.6. Mikiili
Ethernetiin halutaan liitt44 laite, joka ei

kuulu potentiaalintasausjiir jestelmidn, on
kiytettivii optisia toistimia tai vastaavia

galvaanisesti eristettyjé menetelmii. Jos et
ole varma kiiytettiviisti menetelmisti, ota
yhteys Digitaliin.

1-4

DECrouter 250 Hardware Instalial

DANGER

Une installation Ethernet peut #'étendre
sur des kilométres et relier des centaines
d'éléments. Afin d'éviter tout probléeme électrique, vérifiez la présence d'une mise & la
terre commune ainsi qu'elle est définie par

IEC (364.4.41, clauses 413.1.2 et 413.1.6).
S'il s'avére nécessaire de relier par Ethernet
des équipements non rattachés a une méme
terre, utilisex des répéteurs optiques ou
autres matériels offrant la méme qualité
d'isolation. En cas de doute, prenez contact
avec les Services techniques Digital.
VORSICHT

Ethernet-Netzwerke kinnen sich iiber mehrere
tausend Meter erstrecken und mehrere hundert einzelne Geriite miteinander verbinden.
Zur Vermeidung von gefiihrlichen Spannungen
im Netzwerk ist es unbedingt erforderlich, daB alle Gerite Teil einer gemeinsamen Erdungsschleife sind, wie in den IEC-

Richtlinien 364-4-41, Abschnitte 413.1.2 und

413.1.6 angegebn. Wenn Geriite auBerhalb
der Erdungsschleife iiber Ethernet miteinander verbunden werden miissen, miissen op-

tische Repeaier oder andere galvanisch getrennte Mittel verwendet werden. Falls Sie
Fragen haben, wenden Sie sich an Digital
Equipment.

WAARSCHUWING

Ethernei-configuraties kunnen een afstand

van verschillende kilometers overbruggen
en honderden afzonderlijke apparaten met

elkaar verbinden. Om te vermijden dat er
zich gevaarlijke spanningen zouden voordoen
op de configuratie, is het belangrijk dat alle
apparatuur gebruik maakt van dezelfde voeding en dezelfde aarde, zoals gedefinieerd in de
IEC-publikatie 364-4-41, bepalingen 413.1.2.
en 413.1.6. Wanneer apparatuur die niet
op eenzelfde equipotentiaal spanningsnet is
aangesloten via Ethernet gekoppeld moet
worden, moet men gebruik maken van optische repeaters of van andere galvanisch
isolerende technieken. Bij twijfel gelieve u
contact op te nemen met Digital.

ADVARSEL

Ethernzttinstallasjoner kan strekke seg over
flere tusen meter og ha tilkoblet flere hundre
forakjellige utstyrsenheter. For 4 forhindre at
det skal oppsta farlige spenninger pa installasjonen, er det viktig at alt utstyret tilherer et
felles ekvipotensialt forbindelsessystem, slik
det er definert i IEC-publikasjon 364-4-41,
para- grafene 413.1.2 og 413.1.6. Der hvor
det er pa- krevet 4 koble utstyr via Ethernet
utenfor det ekvipotensiale hovedomradet, er
det pabudt 4 be- nytte optiske linjeforsterkere
(repeatere) eller tilsvarende galvanisk isolert
materiale. Kontakt Digital hvis du er i tvil.
ATTENZIONE

Le installazioni Ethernet possono estendersi per migliaia di metri e collegare diverse
centinaia di elementi separati di apparecchiature. Per evitare il rischio di scariche
elettriche al momento dell'installazione, & importante che tutte le apparecchiature siano
collegate ad un comune sistema di massa
come qdefinito nella pubblicazione IEC 3644-41, clausole 413.1.2 e 413.1.6. Laddove si
richieda di collegare 'apparecchiatura fuori
dalla principale area di massa via Ethernet,
si devono utilizzare ripetitori su fibra ottica
o qualsiasi aitro strumento isolato galvanicamente. Per qualsiasi informazione rivolgersi
alla sede Digital piu vicina.
AVISO

A instalacio da Ethernet pode estender-se
por milhares de metros e agrupar centenas de
itens de equipamento.

Para evitar que voitagens perigosas sur-

jam na instalagdo, é importante que todo o
equipamento faca parte de ur: sistema eléctrico equipotencial comum, cal como definido
na publicagio 364-4-41 do IEC, cldusulas
413.1.2 e 413.16.

Onde fér necessério ligar equipamento fora
da érea principal de ligagio eléctrica equipotencial, através da Ethernet, deverdo ser empregues repetidores dpticos ou outras solugbes
galvanicamente isoladas.

Em caso de divida, contacte a Digital.

1-6

DECrouter 250 Hardware Instal

|PRECAUCION!
Las instalaciones de Ethernet pueden exten-

derse hasta cientos de metros y a un gran
numero de equipos. Para evitar tensiones

peligrosas en la instalacién, es importante
que todos los equipos formen parte de un sistema equipotencial comin, tal y como se define en las publicaciones del IEC 364-4-41,
cléusulas 413.1.2 y 413.1.8. Cuando eea necesario conectar equipos a través de Ethernet
fuera del drea equipotencial principal, deben
emplearse repetidores épticos u otros elementos aislados galvdnicamente del mirmo tipo.
En caso de duda, le rogamos se ponga en contacto con Digital Equipment Corporation.
VARNING

Ethernet installationer kan vara tusentals
meter och koppla ihop hundratals enstaka
delar. For att undvika spiinningsfara, ér det
viktigt att alla delar ingar i ett ekvipoten-

tiellt system enligt definitionen i IEC publikationen 364-4-41, klausulerna 413.1.2 och
413.1.6. DA det kriivs att utrustning kopplas via Ethernet utanfor det ekvipotentiella systemet, maste optiska for- stiirkare
eller annan galveaiserad isolering anviindas.
Vid eventuella oklarheter, kontakta Digital
Equipment AB for rddgivning.
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1.2.1 Models
There is only one model of the DECrouter 250 (DSRVR-Ax) but this model (see
Figure 1-2) has two versions depending on the input voltage as shown below:

1-8

Model Version

Input Voltege

DSRVR-AA
DSRVR-AB

100-120 Vac
220-240 Vac

DECrouter 250 Hardware installation

Flqure *-2- CECrouter 250 Model DERVR-AX

WKG— 311+-82A

Overview

1.2.2 Functions of the DECrouter 250

Using the DRCrouter 250 system, you may connect any combination of up to eight
syncleonous or asynchronous devices to each other and to a local area network
(optional). The DECrouter 250 supports the following standards:
e

EIA-232.D/V.24/V.28

RS-449,RS-423-A/V.10

RS-449,R5-422-A/V.11

V35

V36

Devices that connect to the DECrouter 250 system, via synchronout or asynchronous
ports, include modems, personal computers running DECnet, and larger computers
running DECnet. For a list of devices supporied by the DECrouter 250, see Appendix
B.

The DECrouter 250 system offers the following features:
e

Connections to the Ethernet Local Area Network (LAN) and to a wider area
DEChnet network for DECnet nodes with synchronous or asynchronous, full

duplex, DDCMP, that use any of the foregoing standards,
s

DECnet routing (for example, message switching and best path analysis) which
allows host processors more time for application tasks.

Reduced and simplified cabling requirements for connecting nodes to the
DECnet network.

Support for dial-in and dial-out modems.

Suppor for dial-back security.

You can install the DECrouter 250 system in a variety of environments, including offices and computer rooms. The router can be placed on a desk or table, or can be

mounted in a standard rack cabinet. Digital Equipment Corporation can also provide
you =ith a wallfpartition mounting bracke’ ;0 mount the router directly onto an office
wall or tc suspend the router from partitioned office walls. This bracket must
be ordered
separately. See Appendix E for ordering information.

1-10

DECrouter 250 Hardware instailation

1.2.3 Router Controls, Indicators, and Connectors
All of the router controls, indicators and connectors that are used during router operation are located on the resr of the ronter as shown in Figure 1-3.
Figure 1-3: DECrouter 250 Back Pansl

— 50-PIN PORT DEVICE

CONNECTORS (1-2)

VOLTAGE
SELECT
SWITCH

25—-PIN PORT DEVICE

;}

/
e

CONNECTORS (3-8)

/
.

XCONNECTOR

STANDARD ETHERNET

|88 EEHE“H =1
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POWER CORD

RECEPTACLE

\-(T:'ganfggrg;HERNET
ThinWire ETHERNET

LED

STANDARD /ThinWire
SELECTOR SWITCH

LXG-3112-80A

Overview

i-11

The router controls are described in Table 1-1. The indicators are described in
Table 1-2and abriefdescription of the connectorsis givenin Table 1-3. (Further information on the connectors and associated cablesis given in Chapter 4 and Appendix A.)

Table 1-1 : Router Controis
Control

Description

Dump switch (D1)

When the router software is running, press this
switch to force the router to dump its memory
contents to a load host.

On power up, press this switch to load the tac-

tory set par- .eters (see Appendix D).

Voltage select switch

This swich sets the input voltage to the range

Circuit breake:

A circuit breaker (press to reset) protects the
power supply against excessive current.

required (100-120 Vec or 220-240 Vac).

This switch selects either ThinWire or Standard
Standard/ThinWire selector switch Ethernet.

CAUTION
Do not press the standard/ThinWire selector

switch when the router software is ope -ating. This
will cause a reset of the CPU and a subsequent reboot of the system — just as if the power cord had
been pulled out and plugged back in again.

Table 1-2 : Router Indicators

1-12

Indicator

Display

ThinWire Ethernet LED

Lights (green) to indicate that the ThinWire
Ethernet connector is selected.

Standard Ethernst LED

Lights (green) to indicate th=t the standard Ether-

Display

This is a seven-segment display that provides er-

net connector is selected.

ror and siatus information (see Chapter 5 for further details).

DECrouter 250 Rardware Installation

Tetle 1-3: Router Connactors

Connector

Description

25-way — Poit device

These six 25-pin male D-connectors conrect

connectors

EIA-232-D devices to the router.

50-way — Port device

These two 50-pin female D-connectors connect
devices to the router. The devices must support
one of the following standards:
EIA-232-D/V.24/NV.28
RS-448,RS5-423-AN.10
RS-449,RS-422-ANV.11
V.35
V.36
The devices connect to the port via an adapter
cable.

connectors

Standerd Ethernet connector

This single 15-pin female D-connector connets
to a stanciard Ethernet local area network using
transceiver cable.

ThinWire Ethernet connector

This single female BNC connector connects to a
ThinWire Ethernet local area network using ThinWire cable and a T-connector.

Power cord receptacle

The router power cord plugs into this recepiacle.

Console connector

This 6-pin Modified Modular Jack (MMJ) con-

nects a console o the router for installation, configuration. or troubleshooting procedures.

1.3 Software Requirements
The software requirements for installiag and operating the D £ Crouter 250 are as follows:

DECrouter 250 distribution snftware — installed on each DECrouter 250 system load bost.

DECnet Phase IV, or Phase IV Plus software — installed on each DECrouter
250 system load host (not required for ULTRIX systems).

The distribution software includes a router image file that is down-line loaded to a
DECrouter 250. The load host down-line loads the router image whenever required,
and providss the router image (0 any number of routers. The router image, running on

the DECrouter 250, constitutes the router software that enables the router
to perform its

functionc.

Overview

All software must be installed and verified before you can operate the router.

Formore information, see the DECrouter 250 Software Product Descri; iion (SPD) that
applies to the specific operating system.

1.4 Service Options
The following sections briefly describe the Digital Equipment Corporation hardware

and software options that are available for the DECrouter 250 system. For more information, please contact your Digital sales representative.

1.4.1 Digital On-Site Service
Digital provides on-site service under a service agreement or on a per-call basis.
Trained service specialists perform hardware maintenance at your site.

1.4.2 DECmaller
DECmailer allows you tn ship the router to a Customer Return Center for repair.
1.4.3 installation Service

Installation service includes services provided by trained service specialists for
successful installation of your DECrouter 250 system.

1.4.4 Software Product Service Agreements
Digital offers software product service agreements to support your software.
1.4.5 Trsining

Digital Educational Services sells training for installation, maintenance, and management of Digitaf software. Course formats may vary from seminars to packaged (raining
materials.

1-14

DECrouter 250 Hardware Insteilation

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2
Unpacking the Boxes

2.1 Number of Boxes in Shipment
A single DECrouter 250 hardware shipment consists of one or more boxes, depending
on the optional equipment ordered. Check each box for damage.
e

[N CASE OF DAMAGE

— Stop unpacking.

— Contact you: Digital Equipment Corporation sales representative.
e

[FPARTS ARE MISSING

— ldentify missing parts.
— Contact your Digital Equipment Corporation sales represeritative.

NOTE
Save the box and packing material in case you
need to retum the unit.

2.2 Contents of DECrouter 250 Hardware Shipment
Check the shipment for the items shown in Figure 2-1.

2-1

Figure 2-1: Contents of the DECrouter 250 Hardware Shipment

Y ¢ |\

O Power cord

Q DECrouter 250 Haordware
Installation

Q DECrouter 250
/dentification Card

OH3266 Loopback
Connector

8S23V cable kit -2 off

OBiank ID labels for cables
P

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OH3199 Loopback
Connector

QFfTZ card

(Austria /Germany only)

OBNC T piece

@&
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connectors (2)

ORack mount kit

LKG~3114-80A

2-2

DECrouter 250 Hardware Installation

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3
Site Verification

This chapter lets you verify that the preselected instaliation site meets the router's physical, environmental, electrical, and network cablir; requirements.
The instructions in this chapter assume that the customer has completed the following
site preparation requirements:

A router installation site is identified.

An appropriate ac power source is within 1.6 meters (5.5 feet) of the router.

Appropriate types and lengths oi cable are available for connection tc Ethernet
(if required).

Required devices are ready to be connected.

The modems are selected and instalied.

At least one terminal (VT10)-, VT200-, or VT300-series) with a keyboard is
available for installation and troubleshooting.

3.1 Verlfying Hardware and Cable Requirements
The router can operate in an office environment and in a standard equipment rack lo-

cated in a computer room or satellite equipment room. Regardless of where you install
the router, verify that all of the requiremenis in this section are met before beginning the
installation.

3-1

3.1.1 Physical Requiremenis

Piace the DECrouter 250 hardware ::: least 45 centimeters (18 inches) above the floor.
Allow for 15 centimeters (6 inches) of airspace around the router air vents. Table 3-1
shows the size and weight of the router.

Table 3-1: Physical Specification of the Router
Dimension

Measurement

Width

49.3 cm (19.4 inches)

Height

16.1 ¢m (6.3 inches)

Depth

31.2 cm (12.3 inches)

Welight

8.1 kg (17.1 lbs)

3.1.2 Environmental Requirements

Environmental requirements for temperature and humidity must be within the ranges
shown in Teble 3-2.

Table 3-2:

Environmental Specifications of the Router

Parameter

Minimum

Maximum

Operating

5°C (41°F)

50°C (122°F)

Nonopeiating

-40°C (—40°F)

68°C (151°F)

Temperature (*)

20°C (36°F)

mmum temperature changes per

AltRude

Opernuting

2438 meters (8000 fect)

Nonoperating

4876 meters (16000 feoet)

Relative humidity

Dperating (noncondensing)

10%

85%

Nonoperating (noncondensing)

10%

85%

* it you are operating the router above 2.4 kilometers, decrease the operating
femperature specification by 1.8°C for each 1000 meters {1°F tc- each 1000 feet)

3-2

DECrouter 250 Hardware insialiatios

3.1.3 Electrical Requirements
The power at the electrical outlet must match the requirements shown in Table 3-3.
Table 3-3: Electiical Requirements

Parameter

DSRVR-AA

DSRVR-A8

100120 Vac (3-wire,

220-240 Vac

Frequency

50to 60 Hz

50 to 60 Hz

Line current

1.5 Amps

1.0 Amps

Power :

150 Watts

Voltage range

single phase)

3.1.4 Leakage Curremt
The DECrouter 250 hardware earth leakage current is shown in Table 3-4.

Table 3-4: Earth Leakage Current

Parameter

DSRVR-AA

DSRVR-AB

100120 Vac (3—wire,

220-240 Vac

Frequency

50 to 60 Hz

Leakage Current

0.308 mA

482 mA

Voltage range

single phase)

Note
The values in Table 3—4 are not a specification and
therefore should be used only as a guide.

3.1.5 Line Speed Restrictions
You may configure the router to have any one of the following maximum line speed
configurations:
e

Both port 1 and port 2 configured for 64 kilobits per second and port 3 to port 8

(inclusive) disabled.
e

Either port | or port 2 connected for 64 kilobits per second and any four ports
connected for 9.6 kilobits per second. Disable the unused ports.

All ports configured for 19.2 kilobits per second.

Site Verification

3-3

CAUTION
You should not configure the router to exceed the

line speeds shown in Section 3.1.5.
3.1.6 Cabling Requirements

The cabling requirements of the router are shown in the following sections. Further in-

formation on cabling and configuring of local area networks, and using DECconnect
system products, is provided in the DECconnect System Planning and Configuration
Guide. Table 3-5 shows the maximum communication distances for different types of

cable used between the router and transceiver, and also the maximum length of power
cable. Table 3-6 shows the maximum cable lengths for a number of data 1ates using
DECrouter 250 supported line protocols.

Table 3-5: Maximum Communiceations Distances

From

Router

Transceiver

50 meters (164 feet)

Router

Transcelver

12.5 meters (41 feet)

Router

Power outlet

1.8 meters (6 feet)

Router power cabdle

Router *

DESPR/DEMPR

185 meters (606 feet)

HB243-A cable

Maximum Distance

Cable Type
BNE3Ix~xx standard

tfransceiver cable

BNE4x—xx

office transcsiver
cable

* No other device in ThinWire segment

DECrouter 250 Hardware Instaliation

‘

Table 3-6: Maximum Cable Lengths — Router to Devices

Line Protocol

Data Rate (b/s)

Cabile Length

ElA-232-D/V 24

Up to 20 K

15 meters (80 foet)

RS-423-A

Below 1 K

RS-422-A

Below 80 K

V.35

i2g8 K

1200 meters (3000 feet)

400 meters (1300 fest)
150 meters (500 foet)
130 meters (400 foet)
85 meters {270 foet)

1200 meters (3800 foet)

800 meters (2600 fest)

256 K

400 meters (1300 feet)

48K

80 meters (200 foet)

Table 3-6 assumes the following:
e

The V.24 cable capacitance is 50 pF/ft.

The RS-423-A cable capacitance is 15 pF/ft.

The RS-422-A cable is 100 ohm terminated with a capacitance of

’

20K
48K
64 K
100 K (max)

15 pF/ft.
The maximum cable length for V.35 is a recommended figure only.

3.1.6.1 Standard Ethernet Connection
The transceiver cabie imust reach the router and must not exceed the maximum distances listed in Table 3-5. Table 3-5 identifies the maximum communications distances that can be achieved using certain types of cables.

3.1.6.2 ThinWire Ethernet Connection
The ThinWire cable segment must conform to the following configuration rules:
¢

The maximum cable segment length must not exceed 185 meters

(606 feet).
e

There must be a 50-chm terminator at each end of the cable segment unless the
cable ends in a DEMPR or DESPR (both these devices have inbailt 50-ohm
terminators).

There must be only one ground per cable segment.

There must be at least 0.Smeter (19 inches) betw. ~n T—connectors.

Shte Verification

3-5

The maximum number of stations, between terminators, must not

exceed 30,
e

ThinWire cable segments must not be configured in a loop.

ThinWire cable segments must not have any branch segments.

3.2 Prelnstallation Checks
Before beginning the router installation, use the following checklist to make sure that

the site preparation is complete.

3.2.1 Hardware Checks
e

Armangements have been made to connect the router Ethernet port to an Ethernet interface device (if required). For Standard Ethemet the device can be a
DELNI network concentrator or an Ethemnet transceiver. For ThinWire Ethemet
the device can be a DEMPR, a DESPR or a ThinWire segment.

The Ethemet interface device is installed (if required) and the required cabling

is in place, tested, and tagged.
e

The wall/partition mounting bracket kit or rack mount kit is installed (if rekit documentatise
d in the
u.ui_rgd) ae deccriba
v wrs B
v it BN

Cables of appropriate length are availabie for connecting the router to the

Ethernet interface device (if required).
e

The devices (modems, personal computers, hosts) are ready to be connected.

Cables of appropiate length and type are available for connection of serial devices.

One terminal (asynchronous, DEC423 or EIA-232-D compatible) is available
for hardware testing and system verification.

3.2.2 Software Checks
e

The DECrouter 250 Identification Card was filled out (as described in Section
4.1) and given to the system manager.

The system manager installed or will install the router software on the load
host.

3-6

DECnet Phase IV or later is installed and running on the load host.

DECrouter 250 Hardware installation

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4
Hardware Installation

This chapiertells how you install the hardware and verify the routersysteminstallation.

4.1

Completing the Router ldentification Card
Locate the DECrouter 250 Identification Card included in the router box and copy the
following information in the spaces provided on the cand:
e

The router's serial number. The senal number is located on the back of the
router.

The router's Ethemet address. The Ethernet address s located on the back of
the router.

The location of the router, such as an office location, building ntimber, or floor.

Your name and the date of installation.

4.2 Flacing the Router
You can install the DECrouter 250 system in a variety of environments, including of-

fices and computer rooms, as long as the environmental specifications are met. Youcan
place the router cn adesk or table, or mount it in a standard rack cabinet. Digital can also
provide you with a wall/partition mounting bracket to mount the router directly onto an

office wall or 1o suspend the router from partitioned office walls. This bracket must be
order=d seporately. See Appendix D for ordering information.

4.2.1 Placing the Router in an Office

Place the DECrouter 250 hardware at least 45 centimeters (18 inches) above the floor.

Allow for 13 centimeters (6 inches) of airspace around the router air vents.
4.2.2 Rack Mounting "¢ Router

If you wish to mount the router in a rack, do the following:
WARNING
The following procedure involves the removal of

the system covers, and should be performed only
by trained service personnel.
ADVARSEL

Folgende procedure involverer {jernelse af
kabinettet og ber kun udfyres af uddannet
servicepersonale.
VAROITUS
Seuraava toimenpide edellyttiis laitteieton kansien avaamista, ja sen suoritus on

jétettdvi koulutetun ylldpitohenkilskunnan
huoleksi.

ATTENTION

- Faites appel &8 du personnel qualifié pour effectuer 'opération décrite ci-apreés.
WARNUNG

Fir das folgende Verfahren miissen erst die
Abdeckungen des Systems entfernt werden. Dies sollte nur von Servicespezialisten
durchgefithrt werden.
WAARSCHUWING

De volgende pracedure omvat het verwijderen
van de systeempanelen en moet alleen door
getraind service-personeel worden uitgevoerd.

4-2

DECrouter 250 Hardware Installation

ATTENZIONE

La seguente procedura si riferisce aila nimozione degli involucri, e deve essere attuata
saclu- sivamente da personale qualificato.
ADVARSEL
Fremgangsmiten nedenfcr medferer at
systeni- dekslene md fijernes. Deite md bare
utferes av kvalifiserte fagfolk.

AVISO
O procedimento seguinte envolve a remogéo
das coberturas do sistema, a qual 86 deve ser
efectuada por pessoal devidamente qualificado.

PRECAUCION
El siguiente procedimiento conlleva la retirada de las cubiertas del sistema, y debe llevarlo uinicamente a cabo personal del servicio
técnico.

VARNING
I nedanstdende anvisningar ingdr borttagning av sysiemrapor, viikei endasi far utfiras

av utbildad servicepersonal.

NINTN

2°°N NI L, NDWNN 03N NT0N 1°°hN NID YN
LOUAT DY DTTVINDDN MWA UNIDV T YV uyanny

Hardware Installation

4-3

EX
CRPLRBNEFEMICIZ,
Kk /)S—DIOM L R
MEBEINTWEY,
£7. BHoY— bt 2 4%
THEMS 728N,

i. Tum the router upside down.
2. Remove the covers (see Figure 4-1).

NOTE
When you remove the covers, do not re-insert the
COVer SCrews,

3. Rack mount the router by following the instructions in Figure 4-2.

DECrouter 250 Hardware Instaliation

Flgure 4-1: Removing the Covers

LG~ 3116—~80A

NOTE
When you remove the covers, do not re-insert the
cover screws.

Hardware installation

Filgure 4-2: Rack Mounting the Router

FASTEN UNIT TO RACK

(SCREWS NO1 PROVIDED)

\(D

FASTEN BRACKETS USING
THE SCREWS PROVIDED

LKG~ 3117-88A

4.3 Verifying the Voltage Select Switch Setting
To verify or change the voltage select switch settings, do the following:

1. Locate the removable voltage label (see Figure 4-3).

DECrouter 250 Hardware Installation

Figure 4-3: Loceating the Voitage Label

Vo8

vu"m

= | LTS

120v~220-240

' Veud

LKG~ 3118-80A

2. Remove the voltage label (see Figure 4-4).
Figure 4-4: Removing the Voltage Label

LKG—- 3118-89A

3. Check the voltage select switch (see Figure 4-5).
Figure 4-5: Checking the Voltage Select Switch

70~

LKG~ 3120--89A

rHardware Installation

4. If necesuary, adjust the voltage select switch (see Pigure 4-6).
Figure 4-8: ddjusting the Voltage Select Swiich

FOR 100/120v OPERATION:
SLIDE THE SWITCH TO THE LEFT

UNTII "120V" IS VISIBLE

FOR 200/240V OPERATION:

SLIDE THE SWITCH TO THE RIGHT "

UNTIL "240V" 1S VISIBLE

LT'D

R TR
[e
L

WG~ 312%--80A

4.4 Testing the Router Hardware
You should test the router hardware before connecting it to the LAN. The procedure is :
I.

Select the ThinWire Ethemet.

Instal! the T-connector and both terminators.

Comnect power to the router.

Run self-test.

These steps are explained in the following sections.

4-8

DECrouter 250 Hardware Installation

4.4.1 Selecting ThinWire Ethernat
To select ThinWire Ethemet, press the selzctor button. The button will remain in, and

the ThinWire Ethernet LED will light when power is supplied to the router (see
Figure 4-7).

Figure 4-7: Selecting ThinWire Ethernet

&i
=

f'-OR ThinWire OPERATION:

i
F

PRESS THE SELECTOR SWITCH

{(THE ThinWire ETHERNET LED ~——=¢
WILL LIGHT)

LKG~3122-80A

4.4.2 Connecting the ThinWire T-Connector and Terminators
Insert both of the 50-ohm terminators into the T-connector and insert the T-connector
into the BNC connector at the rear of the rouier. Tum the barrel of the connector clockwise to lock (see Figure 4-8).

Hardware Instaliation

Figure 4-8: Connecting the ThinWire T-Connector and Teiminstors

)

e
@

INSERTING ThinWire

T-CONNECTOR

S0 -0OHM

LOCKING

Thinwire

T-CONNECTOR

\_
LKG~3123~60A

4-10

DECrouter 250 Hardware Installation

’

4.4.3 Connecting Power to the Router
To connect
power to
he router, insert the power cord into the power cord receptacle (see
Figure 4-9) and insert the power plug into a power outlet.

Figure 4-9: Connecting Power to the Router

L
[
——

il
=
QI
S
ot

—————

LKG-3124-80A

4.4.4 Running Self-Test
Plugging in the router power cord applies power directly to the router, starts the router

self-test and, when the router is connected to the LAN, atlows the router software 1o be
loaded from a host. The seven-segment display and diagnostic dot (decimal point) supply diagnostic and status information. Figure 4-10 shows the seven-segment display

and diagnostic dot.

NOTE
You may load the router software over a serial
line, when the port has been configured, without
being connected to the Ethernet (see Appendix E

for further information).

Hardwears Installation

411

Flgure 4-10: The Seven-Segment Diaplay

DIAGNOSTI S~
DOT

LKG-2090~80A

When you connect the router power cord, the seven-segment display shows an “8" for
approximately 5 seconds, followed by a blank display for approximately 3 seconds.

Self-test runs and the display counts down from “F' through “$" aseachblock of tests is
executed. If afatal error is detected, the count will stop and the code of the test which has

failed will flash. If a nonfatal error is detected. the count will continue and the diagnostic dot will blink. (See Chapier S for what action to take.)

When the router passes self-test, it attempts to load the router software from the host

and displays “4" on the seven-segment display. The router will attempt to load the software for approximately two minutes. Since the router is not connected to the network,

this attempt fails and the router stops trying toload the software and displays “3" onthe
seven-segment display. The router remains in this state for about 30 seconds before trying t0 load the software again (display shows “4") for 2 minutes. The router will contin-

ue to aliernate between these two states, with the times between attempted loads getting
longer. At any time from the first “3" onwards, power down the router, disconnect the
T-connector and terminators, and continue with the installation.

4-12

DECrouter 250 Hardware Installation

ns
the dingnostic
s display coa~s. Table 4-2explai
the seven-segment
Table 4-1 explain
dot display.

Table 4-1. Seven-Segment Display Codes

A MN

Display

System Status
Bootstrap tests execuing

RAM subsyatem test e tecuting
interrupt subsystem tests executing

VW LN

SO DPEF

Timer tests executing

(Rotating segnient)®

ROM subsystem tests executing

Ethernet subsystem tests executing (internal loopback;
Ethernet subsystem external loopback test executing
Asynch subsystem tests executing (internal loopback)
System exerciser tests executing

Requesting load

Request load bacroff
Loading

Requesting dump
Dumping
Router software executing

* Segment rotates, outlining a “figure of zero” pattern.

Table 4-2: Diagnostic Dot Display

Diagnostic Dot

System Status

No fatal errors

Oft

Fatal error or self-test in progress

Blinking

Nontatal error detected

Hardware Installation

4-12

4.5 Selecting the ThinWire or Standard Ethernet LAN
To select ThinWire Ethernet, press the selector switch and then apply power to the rout-

er. The ThinWire Ethemet LED will light whenthe router powers up (see Figure 4-11).
To select standard Ethemet, release the selector button and then apply power to the

router. The standard Ethernet LED will go on (see Figure 4-11).

CAUTION
Do not press the standard/ThinWire selector

switch when the router is powered up. This will
cause a reset of the CPU and a subsequent reboot
of the sysiem -— just asif the power cord had been
pulled out and piugged back in again.

414

DECrouter 250 Hardware Installation

Flgure 4-11: Selecting Standard or ThinWire Ethemet

'i‘

~
.

FOR

ThinWire OPERATION.

PRESS

THE

SELECTOR

SwTCH

(THE Thinwire ETHERNET LED
WILL LIGHT)

]

o
g

/Q\

FOR STANDARD OPtKATION:
RELEASE

THE

SELLCTOR

SWITCH

(THE STANDARD ETHERNET LIGHT
WILL

LIGHT)

G- 3120804

Hardware Instaliation

4-18

4.6 Connecting to Siandard Ethernet LAN
To connect the ransceiver cable to the router, do the following:
1. Power dowa the router.

2 Unlock the slide laich on the router's Standard Ethemnet connector by pushing it
in the direction shown in Figure 4-12.
Figure 4-12: Unlocking the Slide Latch

éa

]

‘!

[}

[]

LKG-N27-68A

3. Connect the transcetver cable (see Figure 4-11)

416

DECrouter 250 Hardware Instaliation

Flgure 4-13: Connecting tha Transcelver Cable

[

[}

[

159

s [ LLLLLL IS

LKG-3126-80A

4. Lock the slide 1atch on the standard Ethernet connector by pushing it in the direc-

tion shown in Figure 4-14,

[i]’

‘

Figure 4-14: Locking the Stendard Ethernet Connector

;]

rETHEF« NET

h
LOCK

l@
\Eoffo0oO?o?o?
@
>

W,
LKG- 3120~ B0A

Hardware Installation

4-17

5. Power up the router.

6. Verify the standard/ThinWire Ethemet switch is in the QUT position and the

standard Ethernet LED is on.

4.7 Connecting to the ThinWire Ethernet LAN
To connect to a ThinWire Ethernet LAN, do the following:
{.

Insert the T-connector into the BNC connector at the rear of the router (see

Figure 4-15).

Tum the barrel of the connector clockwise to lock (see Figure 4-15).

Verify the standard/ThinWire Ethemet switch is in the IN position and the
ThinWire LED is on.

NOTE
Figure 4-15 shows the T-connector terminated
using a 50-ohm terminator. The S0-ohm termina-

tor is replaced by a cable if the router is not at the
end of a cable segment. The cable segment must

be terminated by 50-ohm terminators at bothends
unless a DEMPR or a DESPR is used. Where a
cable segment is terminated in a DEMPR or a

DESPR at one end only, the opposite end needs to
have a S0-ohm terminator (see Appendix C, Cabling Strategies, for further details).

4-18

DECrouter 250 Hardware Installation

Figure 4-15: Connecting to the ThinWire Ethernet LAN

'IN

020

= | LU &

n"l

ety

INSERTING ThinWire
T—CONNECTOR

\w
/

50— OHM

TERMINATOR

LOCKING ThinWire
T—CONNECTOR

\.
LKG~3130~8DA

Hardware instaliation

4-19

4.8 Connecting to the Device Ports
There are two device ports that use S0-pin D-connectors (ports 1 and 2) and six device
ports that use 25-pin D-connectors (ports 3, 4, §, 6, 7, and 8). Both D-connectors have
jack screws and are connected in the same way. The following sections describe how to
connect a device to both a 25-pin pont and a 50-pin pont.

ADDITIONAL INSTRUCTIONS FOR USE IN THE UNITED KINGDOM
WHERE CONNECTION TO PUBLIC DATA COMMUNICATIONS NETWORKS ARE REQUIRED.
WARNING
Interconnection directly, or by way of other apparatus, of ports marked:“WARNING: Connect only apparatus complying
with B56301 to these ports.”
with ports not so marked may produce hazardous conditions on the telecommunica-

tions network. Advice should be obtained from a competent engineer before such a
connection is made. This does not apply to the network ports onthe rear of the system,
marked | through 8, when used for public network connections.

NOTE
Products complying with Oftel’s General Approval NS/G/23/1/100003 may be connected to
the above mentioned ports and do not necessarily
need to carry the BS6301 waming text/label. All

products supplied by Digital Equipment Co.comply with this General Approval.

4-20

DECrouter 250 Hardware Instaliation

4.8.1 Connecting to a 26-Pin Device Ponl
Connect
the 25-pin female D-connector of the cable to the 25-pin male connector of the
device port (see Figure 4-16).

Figure 4-16: Connecting to the 25-Pin D-Connector

1. INSERT THE 25-PIN D-CONNECTOR

2. TIGHTEN THE SCREWS

LKG-3154-60A

Connect the 25-pin male connector of the cable to the 25-pin “male connector on the
device (see Figure 4-17).

Hardware (nstallation

4-21

Figure 6~17: Connecting to the Modem

4 1. ATTACH CABLE

L 2. NGHTEN SCREWS

Ui3-3160~-E0A

WARNING

The V24/RS-232-C adapter( 12-27591-01 )must be fitted betweenthe device cable
and the router (see Figure 4-18 and Figure 4-19) if the modem/eliniinator has any
of the following:

A signai with a DCE source on pin I8

Signal quality implemented of pin 21

Data Signal Rate Selector (DCE) on pin 23

Failure to comply with this could result in damage to the interface module and mo-

dem or eliminator. If you are not sure what signais the modem or eliminator pro-

vides, contact Digital Field Service or fit the adapter as a matter of course.

4~-22

DECrouter 250 Hardware instaliation

Figure 4-18: Connecting V24/RS-232-C Adapter to the 25-Pin D-Connector

—

1. INSERT THE V24 /RS-232-C ADAPTER
\

2. TIGHTEN THE SCREWS <

/A
A
o= mmT
LKG~ 3156-89A

Hardware Instailation

4-23

Figure 4-19: Connecting Cabile to the V24/RS-232-C Adapter

1. INSERT THE CABLE

2. MIGHTEN THE SCREWS

LKG~3157-89A

4.8.2 Connecting to a 50-Pin Device Port
You connect a device to a 50-pin device port with an adapter cable and an extension

cable (see Appendix A, Section A.2 2, for information on adapter cables and Section
A 2.3 for information on extension cables) as follows:

Connect the 50-pin female D-connector of the adapter cable to a 50-pin male
D-connector on the router (see Figure 4-20).

4-24

DECrouter 250 Hardware instaliation

Figure 4-20: Conngcting to the 50-Pin D-Connector

INSERT THE 50-PIN D-CONNECTOR

I
2.

TIGHTEN THE SCREWS

i
~
[

Jp/
M
J

e
€3

o
f

flt‘
[rS——

QEQ

‘

LKG~ 3158~ BOA

)

Hardware Instaligtion

4-25

Connect the adapter cable to an extension cable (see Figure 4-21).

Figure 4-21: Connecting en Adapter Cable to an Extension Cable

ADAPTER TABLE

EXTENSION CABLE %
.

LKO-3180-E2A

4-26

Connect the extension cable to the modem (see Figure 4-22).

DECrouter 250 Hardware Installation

Figure 6-22: Connecting to the Modem

WARNING
The V24/RS-232-C adapter (12-27591-01) must be fitted between the adapter

cable and the extension cable (see Figure 4-23) if the modem/eliminator has any
of the following:

A signal with 2 DCE source on pin 18

Signal quality implemented ¢ pin 21

Data Signal Rate Selector (DCE) on pin 23

Failure to comply with this could result indamage to the interface module and mo-

dem or eliminator. If you are not sure what signals the modem or eliminator provides, contact Digital Field Service or fit the adapter as a matter of course.

Hardware installation

4-27

Figure 4-23: Connecting an Adapter Cable, vzams-zaz-c Adapter and

Extension Cable

V24/RS-232-C ADAPTER

(12-27581-01)
ADAPTER CABLE
P/ ~.

%Ry,

TM~
N

/
hy S
EXTENSION CABLE
LKG-3160-69A

4.9 Connecting a Terminal to the Console Port Connector
To connect a terminal to the console port connector, do the following:
1.

Insert the modified modular plug (MMP), on the cable, into the female modi-

fied modular jack (MMJ) connector (see Figure 4-24).

4-28

DECrouter 250 Hardware instailation

Figure 4-24: Connecting to the Console Port Connectov

INSERTING MMP CONNECTOR

‘

]

€3

l-/;

[]

fores
=0

\E I )
=
:
o

‘

LKG- 316+ B9A

Insent the modified modular plug (MMP), on the czble. into the female modified modular jack (MMJ) connector on ihe terminal (see Figure 4-25). If the
terminal has a 25-pin, male, D-connector. use an H8571A adapter (see

Figure 4-26).

Hardware instaliation

4-29

Figure 4-25: Connecting to the Yerminal

INSERTING MMP CONNECTOR

‘

Q&/

WHO-3070~-60A

Power up the terminal

Configure the terrninal to operate with a speed of 9600 bits per second and with

a character size of 8 bits (no parity). (Refer to the specific terminal user's guide
if you need help setting the terminal parameters.)

4-30

DECrouter 250 Hardware Instaliation

Figure ¢-26: Connecting to 25-Pin D-Connector Terminal
_

1. INSERT THE HB8571--A ADAPTER

LI
2

2. TIGHTEN THE SCREWS < -7
3. INSERT

THE MMF

LKG~3670-68A

4.10 Initializing the Router
To initialize the router, reconnect the power cord. The router now runa self-test (see
Section 4.4 4) and loads the router software from a host, if available. 1f the software is
noi available, the router will continue to make requests until it finds the software.

Hardware Instailation

4-31

4.11 Verifylng the Router System Installation
Aferyou install the DECrouter 250 hardware, inform the system manager that the routerinstallation is complete. You should aiso supply a list of the devices connected to the

system and their router port locations. The person who installs the software then carries
out the system verification procedure to ensure that the hardware and software function
correcily together.

4-32

DECrouter 250 Hardware installation

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S
What to Do If You Have Problems

This chapter heips you idena{y and correct problems you may encounter during
the ini-

tial installation of the DECrouter 250 hardware. The troubleshooting procedures are for
diagnosing and correcting hardware-related problems only.

NOTE
Notify the network manager if the troubleshooting procedures tndicate the problem is software
related or if the procedures do not correct the
problem Additional troubleshooting information

is provided in DECrouter 250 Management.

5.1

Problem Indicators
The seven-segment display. located at the rear of the router, indicates the status of the
router and helps diagnose router problems The diagnostic dot of the display also provides diagnostic information and. if a terminal has been connected to the console port

contnector, the terminal will also provide information.

5.2 Dlegnosing Router Problems
Compare the state of the seven-segmemt dispiny and the diagnostic dot with those
shownin Table 5- I and gotothe section indicated for information on corrective action .

NOTE
On power-up, the seven-segment display will

show an "8 and the diagnostic dot will be “on”
for about 0.5 seconds. Allow about 2 minutes to

elapse before determining the state of the display.

Table 6-1: Digp'ay/ndications
Corrective

Device

Definition

State

indication

?;gmlc

Diagnostic

Seli-test passed

Fatal error

Section 5.3

Blinking

Nonfatal error

Section 5.5

No power or

Section 5.3

Load request

Section 5.6

Seven-seg-

mem

display

Status/

diagnostic

display broken

Action

backofl

Rotating

seg-

ment pcwn

Router software

executing

* A complate list of the seven-segment digplay codes is shown in Table 4-1

5.3 Seven-Segment Display Off
Problem
Power is not reaching the DECrouter 250 hardware.

Cervection: Ensure that the voltage select switch is set to the comrect voliage for your

couniry (see Section 4.3).
Corvection: Secure the power cable at the router and at the wall outlet and check the
fuse in the power cabie plug (if applicable).
Cervection: Check the wall outlet using another appliance or light, or plug the router

powet cord inko unother outlet. If power
is not available at the wall outlet, check the wall
outiet’s circuit breaker.
Corvection: Check if the router circuit breaker has tripped. If it has, disconnect the

power, press the white button to reset the breaker (see Figure 1-3), and reconnect the

power. If the circuit breaker trips more than once, notify the network manager that the

router musi be retumed to Digital Equipment Corporation for repair. (Refer to
DECrouter 250 Management for information about retuming the unit to Digital
)
Correction: Check the power
cord by substituting another one If the first is found to be

defective, replace it.

5-2

DECrouter 250 Hardware installation

’

Problem
The DECrouter 250 hardware is defective.
Cerrection: Notify the network manager that the router must be retumed to Digital for
repair
or replacement. (Referto DECrouter 250 Management for information about returning the unit to Digital.)

5.4 Disgnostic Dot Off/Seven-Segment Display Flashing
Problem
A hardware error occurred that makes the DECrouter 250 router nonoperational.
Correction: There is no corrective procedure for this problem. Notify the network
manager that the router must be retumed to Digital for repair or replacement. (Refer to
DECrouter 250 Management for information about retuming the unit to Digital.)

5.5 Diagnostic Dot Blinking
1f the diagnostic dot is blinking after power up it indicates that the router has a nonfatal

problem detected during self-test. To isolate the problem, connect aterminal to the con-

sole port of the router. The primary problem indicator in this case is the error message
that appears on the console terminal.

To isolate and diagnose the problem, do the following:
1.

Connect a console terminal to the console port of the router, then power up the

terminal (see Section 4.9).
2.

Configure the terminal to operate with a speed of 96({) bits per second and with
a character size of 8 bits (no parity ). (Refer to the specific terminal user ‘s guide
if you need help setting up the terminal parzmeters.)

Unplug the router power cord at the wall outlet, then reinsent it.

Read the error message that appears on the terminal display.

The following sections list the error messages that occurin conjunction withdiagnostic
dot blinking. Locate the section that describes the displayed error message and follow
the recommended corrective action.

5.5.1 Error Message 1003
Init

-1G03-

Enter

ropwat

self-tast

“B

¢c snter RCP

Problem
None of the ports which are enabled to down-line load the router sofiware have passed

self-test

What to Do If You Have Problems

5.3

Cerrection: The router displays this error message with error message 1007 (se Section $.5.3) or error message 1008 (see Section 5.5.4). Refer to these error messages for
the correct action.

§.5.2 Error Message 1004
Init

-1004- EBnter “B to enter BCP

Probiem
No ports are enabled to down-line load the router software.

Correction: Use the boot configuration program (BCP) to configure a suitable port
(see Section NO TAG, Appendix NO TAG).
5.5.3 Error Message 1007
Init -1007- Line x,

Error destected by self-test

Problem
The specified port has failed seif-test.
Corvection: Thete is no corrective procedure for this condition. Notify the network

manager that the router must be returned to Digital for repair
or for replacement. (Refer
to DECrouter 250 Management for information about retuming the unit to Digital.)
5.5.4 Ervor Message 1008
Init

-1008- NI External

loopback errcr detected by self-teat

Problem
The Ethernet port has failed self-test.

Correction: Test the hardware again as shown in Section 4.4. If this fails to correct the

problem, notify the network manager that the router must be retumed to Digital for repair or for replacement. (Refer to DEC router 250 Management for information about

retuming the unit to Digital.) If the router passes self-test then the prob'em lies in the
cables or equipment connected to the router.

NOTE
If you are not connecting to Ethemet, leave the
ThinWire terminations in place and the selector

switch set to ThinWire. This stops the router from

generating an error message.
$.5.5 Error Message 1010
Init

~1010- Parameter checksum error detected in NVRAM

Probiem
Self-test has deiecied a checksam eror in NVRAM parameters

DECrouter 250 Hardware Installation

Correction: Reset the router to factory settings (see Section D.5). If this fails to correct

the problem, notify the network manager that the router must be retumed to Digital for
repair or for replacement. (Refer to DEC router 250 Management for information about

retumning the unit to Digital.)

5.5.6 Error Message 1011
Init

-1011- Coneocle port error detectsd in axecuting Selftest

Problem

Self-test has detected an error on the console port
Correction: There is no comective procedure for this condition. Notify the network
manager that the router must be retumned to Digital for repair
or for replacement. (Refer
to DECrouter 250 Management for information about retuming the unit to Digital.)

5.5.7 Error Message 1012
Init

-1012-

Line x,

Modem signal error dstected by Selftest

Problem
The specified port (line) has failed the modem signal test routine in self-test
Correction: There is no corrective procedure for this condition. Notify the network

manager that the router must be returned to Digital for repair or for replacement. (Refer
to DECrouter 250 Management for information about retuming the unit to Digital.)

5.6 Seven-Segment Display Has & “3”
If the seven-segment display has a “3" after powerup. it may indicate the router has a
down-line loading probiem. To isolate and to diagnose the problem, do the following:
1.

Connect a terminal to the configuration port of the router, then power up the

terminal.

Configure the terminal to operate with a speed of 9600 bits per second and a
character size of 8 bits (no parity). (Refer to the specific terminal user’s guide if
you need help setting up the terminal parameters.)

Initialize the router by pressing

on your console terminal.

Read the message that appears on the terminal display.

The following order of messages on the console terminal indicate down-line loading
problems. Each is covered in the following sections.

What to Do if You Have Problems

5-S

8.6.1 Down-Line Load Staris, Then Fails
The following sequence of messages
appears on the console terminal at various time

Init -1101- Attempting to locate load host,

[1508802]

Init -1101- Attempting to locate load hoat,

[ETHERKNET)

Init -1100- Requesting load from host xXx~xx-xx-xx-xx-xx {format])
Init -1102- Load failure,

timesout

Problem
The host system failed to complete the down-line load to the router.

Correction: Copy the error message exactly as it appears on the console terminal display and notify the network manager.

5.6.2 Down-Line Load Does Not Start
The following sequence of messages appears on the console terminal at various time
intervals:
Init

-1101- Attempting to

locate

load hoat,

[1508802]

Init

-1101- Attempting to

locate

load host,

[ETHERNET)

Init -1103- Router will retry operation in n eeconds

Probiem

Load host(s) not responding to router down-line load request within the allotted timeout period.

Correction: Copy the error message exactly as it appears on the console termiral display and notify the network manager.

DECrouter 250 Hardware Insialiation

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A
Connector and Cable Pin Descriptions

This appendix describes the pins of the DECrouter 250 hardware connectors and the
cables used to interface to the DECrouter 250 hardware. Wiring diagrams of the individual cables are included 10 help you in troubleshooting and cable building

A.1 Connector Pin Descriptions
This section describes the pins for the following DECrouter 250 connectors:
o

Ethemet transceiver interface

Device port connectors

Console pont connector

A.1.1 Ethernet Transcelver Interface

The DECrouter 250 unit has a ThinWire Ethemet connector and a standard Ethemct
connector. The ThunWire Ethemet connector is a 50-ohm, RG58 type, BNC connector
with one pin and a shield.

The standard Ethemet transceiver interface matches the signal specifications described
inThe Ethernet: A Local Area Nerwork: Data Link Layer and Physical Layer Specificanon.

Figure A-1 shows how the pins are numbered on a standard Ethemet transceiver interface connector. Table A-1 lists the signals for the standard Ethemet connector pins.

A-1

Figure A-1: Pin Numbers for Standard Ethernet Transceiver interface
Connector

PIN 1

EOOOOOOOO ;
PN §————=15
Uto-3862-80

Table A-1: Pin Descriptions for Standard Ethernet Transcelver interiace

N
W
s
0
6

+12 Volt Power return

Reserved
Reserved
Collision presence —

Transmit Reserved
Receive -

+12 Volit Power
Reserved

Reserved

-l

-t

Receive +

Reserved

Transmit +

[

Collision presence +

Shield

Signal Name

Pin Numbe?

A.1.2 Device Port Connectors
The two types of connectors you use for connecting devices (modems, personal computers, and so forth) to the router are described in the following sections.

A-2

DECrouter 250 Hardware Installation

)

A.1.2.1 25-Pin D-Connectors
Use the 25-pin D-connector. (ports 3, 4, 5. 6, 7 and 8) to connect devices that support
ElA-232-D/V.24/V.28. Figure A-2 shows how the connector pins are numbered and
Table A-2 describes the signals on ¢ach pin.

Figure A-2: Pin Numbers for 25-Pin D-Connector

PIN 1

~=PIN 13

OOOOOOOOOoO00OO00OOOO00OO
PIN 14

-=PIN 25
RG--NI3-EDA

Table A-2 :

Pin Descriptions for 25-Pin D-Connector

Signai Description

Signal Name

ElA-232-D

V.24

Tranwmitted data

TMD

LL{A]

Received data

RXD

104

Regjuest to send

RTS

108

Ready for sending

CTS

106

Data set ready

DSR

Signal ground

GND

102

Data channe! received line

109

SMI

TXAK

114

RXCLK

signal detector

Data signal rate
selector (DCE)

Transmitter signal
element uming (DCE)

et iming (OCE)

Local Loopback

LOC LPBK

141

Data terminal ready

DTR

108/2

Remote loopback

REM LPBK

140

Ring Indic ator

128

23':: :;ga!l%l;

DSRS

Transmitter signal

CLK

LRI

Test Indicate

TEST IND

142

element timing (DTE)

Connector and Cable Pin Descriptions

A-3

A.1.2.2 50-Pin D-Connectors
Use the 50-pin D-connectors (ports 1 and 2) to connect devices that support any of the
foltowing standards:

EIA-232-D/V.24/V.28
RS-449,RS-423-A/V 10
RS-449 RS-422-A/V.1I

V.35
V.36

Figure A-3 shows how the pins are numbered and Table A-3 describes the signals on
each pin.

Figure A-3: Pin Numbers for 50-Pin D-Connector

NOTE
You use aseparate adapter cable for each standard
with the exception of V.36, which uses the same
cable as R§-422-A. You will find information on
the correct adapter cablesto use in Section A.2.2.

DECrouter 250 Hardware Installation

Table A-3 :
Pin

Pin Descriptions for 50-Pin D-Connector

Signea!

Deecrintion

Signasl

Name

El1A-232-D V.24

AS-423

R8-422

V3§

Code Gnd

Codc 0 *

Code | ©

Code 2*

7
8

11
12

Code 3 *

Transmitted data A

Tranzmitied data B
Transmitied data
Request to send A

Request (o send B

Receiveddsta A
Reccived data B

Local Loop

Datasignal rate
selector (DCE)
Testindicator

Ring indicator

16
I8

19
.
21

Remote loopback
Recciver signal

element timing (DCE) A

TXD A

TXDB
TMD

103

RXD A
RXDB

BB
carth

104
carth

RD
RD

SMI

112

RTS A

RTSB

LOCLPBK
TEST IND

142

125

REM LPBK

RXCLK A

141

SD
RS

RD
RD

140

RL
IC

Receiversignal

RXTIKSB

carth

earth

Transmit signal

TXCLK A

TXCLK B

casth

carth

HE ]

element timing (DCE) B
element timing

(DCE) A

Transmit signal

clement timing
]

(DCE)B

Transmit <ignal

element timing

27
24

(DTE)
V35 Transmit signal
clement timing
(DCE) A

V35 Transmit signal

element timing
(DCE) B

V35 Transmit signal

VISTXCLK A

114

VAasTXCLK B

VISCLK A

VISCLK B

V3SRXD A
V35 RXD B

104
104

V3SRXCLK A

V35 RXCLK B

clement timing

27
28

29
I
M

312
13

35S
36

(DTE) A

V35 Tranamit signal

clement timing

(DTE) B

V3SRXDA
VISRXDB

VISTXDA
V3ISTXDB

V3SReceiversignal

element timing (DCE) A

V35Receiver signal

clement timing (DCE) B

VISTXD A
V335 TXDB

103
103

Data terminal ready

DTR

10872

Datasetready B
Ready to send

DSR B
RTS

carth
CA

emth
108

DM
RS

Datasetready A

DSR A

107

DM
DM

107

carth
105

* Code <0:3> identifies the adapier cable that is attached to the 50-pin connector.

Connector and Cable Pin Descriptions

A-5

Teble A-3 :
Pin
n

Pin Descriptions for 50-Pin D-Connector (Cont.)

Signat

Signal
Name

ElA-232-D

V.24

AS-423

RS-422

V.35

Data channel

DCDA

109

Descripiion

received line signal detecior A

Deta chaonel

DCDB

easth

earth

9
40
41
42
43
44

Rezdy for sending A
Ready for sending B

CTSA
CTSB

CB
carth

Cs
s

Test transmit data
Test RTS

TEST TXD
TEST RTS

Cs
CS
RC

106
earth
earth

Data terminal
ready A
Datz terminal
rcady B
Terminal Timing A
Terminal Timing B
Tesat tramamit clock

DIRA

102

received line signal detector B

DCE

DTE ground

47
48
49
50

Data signal rate
selector

DCE GND

earth

106
carth
carth

DTE GND

102

s
e

oo
se

DTR B

CLOCK A
CLOCK B
TEST TXCLK

DSRS

T
T

©% These three pins are used for testing.

A.1.3 Console Port Connector
Tz consoie port connector onthe DECrouter 250 hardware is amodified modular jack

(MM)).
Figure A-4 shows how the pins are numbered on an MMJ connector and Table A4
lists the signals on the pins.

Figure A-4: Pin Numbers for the Console Port Connector
PIN 1—=8

A-B

DECrouter 250 Hardware Instaliation

’

)

Teble A4 : Pin Descriptions for Serial Communication interface

Tied to VCC via 150-chm resistor

Txdata

Signal Name

Txcommon

Pin Number

Rxcommon

Rxdata
@

Tied to GND via 3K-ohm resistor

A.2 Cable Structure
This section describes the cable structures that are compatible with the DECrouter 250
device ports and with the serial configuration pon. Wiring diagrams of individual
cables are provided for use in troubleshooting and cable building.

A.2.1 Device Cables and Loopback Connectors for Serial Communication
25-Pin D-Connectors

Use the following cables to connect ELA-232-D devices to the DECrouter 250, 25-pin,
e

BCI17D shielded null-modem cable

This cable is used to directly connect asynchronous devices that use modem signals.

B(C22D shielded null-modem cable

This cable is used to directly connect asynchronous devices that use data leads
only.

BC22F shielded straight-through modem cable

This cable is used to connect synchronous or asynchronous modems.

Use the following loopback connector with DECrouter 250, 25-pin, D-connectors,
BC22D and BC22F cables:
e

H3266 loopback connector

Connector and Cable Pin Descriptions

A-7

Use the following adapter
to connect RS-232-C devices to the DECrouter 250, 25-pin,
D-connector:

‘

e 12-27591-01, V.24 to RS-232-C adapier

the extra signals that exist
to RS-232-C by eliminating
This adapter converts from V.24
in V.24. E1A-232-D has the same signals as V.24 so no adapier is necessary.
WARNING

The V.24 to RS-232-C adapter must be fitted if the modem/eliminator has:
=

A signal with a DCE source on pin 18

Signal quality implemented on pin 21

Data signal raie selecior (DCE) on pin 21

Failure to comply with this could result in damage to the interface module and
modem or eliminator. If you are not sure what signals the modem or eliminator
provides, contact Digital Field Service, or fit the adapier connector as a matter
of course.

A.2.1.1 BC17D Shielded Null-Modem Cable

Use the BC17D shielded null-modem cable to connect asynchronous devices directly
to the 25-pin D-coninector. The BC: 7D isa 10-wire cable with a25-pin D-connector on
each end (see Figure A-6).

Figure A-5: Wiring Diagram for BC17D Null Modem Cable

25—-PIN FEMALE

25-PIN FEMALE

D-CONNECTOR

D—CONNECTCR
GND |7
TMD | 2
RXD13I

O
O

_g 7 | GND
)(—2
TMD
3
|RXD

ol2eT——c—1°°8
RTS| 4 O-0 4
crs|

5 o4—

DSR|
6 O
DTR |20 O-

22 O4+—

—t-0 5 | CTS

08 | DSR
-0 201 DTR

—_—i0 22|

&
ATS

A-§

DECrouter 250 Hardware Instailation

A.2.1.2 BC22D Shielded Null-Modem Cable

Use the RC22D shielded null-modem cable to connect asynchronous devices, that use
data leads only, to the 25-pin D-connector. The BC22D is & 6-wire cable with & 25-pin
D-connecior on each end (see Figure A-6).

Figure A-6: Wiring Diagram for BC22D Null Modem Cable

GND
TXD
RXD

DSR
DTR

25-PIN FEMALE
D—CONNECTOR

25-PIN FEMALE
D-CONNECTOR

(57) oo

\_/

2 0————>('-———'0 2 | TMMD
3 | RXD
3 O
6 O
N¢
-06 | DSR
20 ] DTR
200

LKe-3135—-88A

Connector and Cable Pin Descriptions

A-9

A.2.1.3 BC22F Shieided Siraight-Througn #odem Cabie

Use the BC22F shielded straigit-through cable to connect synchronous or asynchronous modems to the 25-pin D-connector. The BC22F is a 25-wire cable with a male,
25-pin D-connector on one end and a female, 25-pin D-connector on the other end (see
Figure A-7).

Figure A-7: Wiring Diagram for BC22F Stralght-Through Cable

TXU

RXD
RTS

3
4

O
O
O
O

5
6
7
8
12 O
150
17 O
LOC LPBK| 18 ODTR
20 OREM LPBK| 21 O
RI
22 ODSRS
23O
CLK
24 OTESTIND | 250

CTS
DSR
GND
cD
SMi
TXCLK
RXCLK

25-PIN MALE
D—CONNECTOR

02 | TTMXD

O3 | RXD
O 4
|RTS

25-PIN FEMALE
D-CONNECTOR

LD 5138-80A

A-10

DECrouter 250 Hard. zre nstaliation

A.2.1.4 H3266 Loopback Connector

Use tie H3266 loopback connector to test the 25-pin D-connector and the BC22F cable
(see Figure A-8).

Figure A-8: H3266 Loopback Connector

25-PIN FEMALE
D-CONNECTOR

RXD
RTS
SR
cD

DSR
DTR
SMI

(20
3 o—1
4 O8

6
20 04—
12 O+

Rem Leek| 21 01—
TMK
| 15 O
RXGK
|17 0
CLK
24 O
LOC LPBK| 18 O

TEST ND | 25 04—
22 O

23 04—

E’

DSRS

: C

Connector and Cable Pin Descriptions

A-11

A.2.1.5 V.24/RS-232-C Adapter (12-27591-01)
Use the V.24/RS-232-C adapter (12-27591-01) to convert the 25-pin D-connectors to
RS-232-C format. The adapter works by passing through the RS-232-C signals and
blocking the others (see Figure A-9).

Figure A-9: Wiring Diagram for V.24/RS-232-C Adapter

25-PIN FEMALE

25~PIN MALE

D-CONNECTOR

D-—-CONNECTOR

TXD

02 | TM

RXCLK

17 O

RSD
RTS
CTS
DSR
GND
co
SMi
TXCLK

3 O
4
5 O
6 O
7 O
8 O
120
15 O

LOC LPBK|

18 O

REM LPBK}
Ri

21 O
22 O-

DTR

DSRS
CLK

O3
|RSD
4 | RTS
OS5 | CTS
O 6 | OSK
O7
|GND
8
|CO
012
O 15 | TXCLK

—+O 17 | RXCLK
O 18

O 20 | DTR

230
24 O-

O 23
O 24|

TEST IND | 25 O-

O 21
22 | Rl

CLK

C-Zj TEST IND

LKO-3138-80A

A-12

DECrouter 250 Hardware Installation

A
.4

’

A.2.2 Device Cables and Loopback Connectors for Serlal Communication
50-Pin D-Connectors

You use an adapter cable and extension cable (see Section A.2.3 for information on

extension cables) to connect a device to the 50-pin D-connectors. Choose an adapter
cable, to match ihe standard of the device you wish to connact, trom the following list:
BC19B-02 — Connects DECrouter 250 to RS-422-A and V.36 devices
BC19E-02 — Connects DECrouter 250 to RS-423-A devices
BC19F-02 — Connects DECrouter 250 to V.35 devices

BC23V-02 — Connects DECrouter 250 to V.24 devices
WARNING

The V.24 10 RS-232-C adapter must be fitted between the BC23V-02 adapter
cable and the extension cable if the modem/eliminator has:
o

A signal with a DCE source on pin 18

Signal quality implemented on pin 21

Data signal rate selector (DCE) on pin 21

Use any of four loopback connectors, from the following list, that match your adapter
cable combination:
H3199 — Universal 50-pin

H3198 — Synchronous line loopback (RS-423-A and RS-422-A)
H3250 — Synchronous line loopback (V.35)
H3266 — Synchronous line loopback (EIA-232-D)
The following sections contain more informaaon on these adapters and connectors.

Connector and Cable Pin Descriptions

A-13

A.2.2.1 BC198-02 Synchronous Line Adapter Cabie

Use the BC19B-02 synchronous line adapter cable to connect the DECrouter 250
50-pin D-connector to RS-422-A devices. The BC19B-02 is 28-wire cable with a
50-pin, female, D-connector on cne erd and a 37-pin, male, D-connector on the other
end. Figure A-10 shows the wiring diagram.

Figure A-10: Wiring Diagram for BC198-02 Synchronous Line Adapter Ciie
50-PIN FEMALE
D-CONNECTOR
/'\‘

1
2

O
O

TXDA
TXDB

6 C
7 O

-O4 | TXDA
-022 | TXDB

RTS B
RXD A

10O
11 O

-025 | RTS B
-O6 | RXD A

RTS A

RXD B

120

Loc LB | 13

|RTS A

024 | RXD B

010 | LOC LBK

TEST IND | 15O~
REM LPBK | 16 O
RI
17 ORXCLK A | 18
RXCLK B | 19O

DSR B

029 | DSR B

TXCLK A
TXCLK B
DSR A

DCD A
DCD B

CTS A
CTs B

| 200
10
340

370380

39 O~
40 O~

DCE GND | 41 O
DTE GND | 440-

DR A
DR B

45046 O-

CLK B
DSRS

48 O
50 O-

CLK A

A-14

37-PIN MALE
D-CONNECTOR

470

\__/

-05 | TXCLK A
023 | TXCLK B
O11 | DSR A

013 | DCD A
O31

|DCD B

09
|CTS A
271crs e

020 | DCE GND
+—1+019 | DTE GND

012 | DR A
O30 | DR B

017 | CLK A

O35 | Clk B
016 | DSRS

037

UHG-3130-60A

DECrouter 250 Hardware Installation

A.2.2.2 BC19E-02 Synchronous Line Adapter Cable

Use the BC19E-02 synchronous line adapier cable to connect the DECrouter 250,
50-pin, D-connector t0 RS-423-A devices. The BCI9E-02 is 24-wire cable with a
50-pin, female, D-connector on one end and a 37-pin, male. D-connector an the other
end. Figure A-11 shows the wiring diagram.

Figure A-11: Wiring Diagram for BC19E-02 Synchronous Line Adapter Cabie
50—PIN FEMALE
D—~CONNECTOR

TMD
RXD A
RXDB
LOC LBK

TEST D

Q
2 O
30

D-CONNECTOR

8
|1
|12 0
|13

04 | TMD
|RXD A
06
024 | RXD B
10 | LOC LBK

|15 O

REM LPBK| 16 O
17
RI

37-PiN MALE

18 | TEST IND

014 | REM LPBK
015 | Ri

RXCLK A | 18 O
RXCLK B | 19

|RXCLK A
08
-0 26 | RXCLK B

TTMXCLK B | 21

-023 | TXCLK B

TXCLK A | 200

CLK
DTR

DSR A
DSRB

RTS

DDA
ocoB
CTSA

22 O
330

| 34
|35

36 O+—
|370
|38
|39

cTsB
|400
DCE GND | 41
DTE GND | 44
O

DSRS

50 O

' Connector and Cable Pin Descriptions

05 | TMXCLK A
017 | o
012 | DR

11 | DSR A
029 | DSR B

7 | RTS

013 { DCD A
031 | DCD B
|cTS A
09

027 |CTS B
-0 20 | DCE GND
-019 | DTE GND

—016 | DSRS
-0 25
-0 30
0 35
037

Le-3140-82A

A-15

A.2.2.3 BC19F-02 Synchronous Line Adapier Cable
Use the BCi9F-02 synchronous line adapier cable to connect the DECrouter 250,
50-pin, D-connector to V.35 devices. The BCI19F-02 is 16-wire cable witha 50-pin, fe-

on one end and a 34-pin, male, square connector on the other end.
male, D-connector
Figure A-12 shows the wiring diagram.

Figure A-12: Wiring Uiagram for BC19F-02 Synchronous Line Adapter Cable
50-PIN FEMALE
D-CONNECTOR

O-_—_—_]

34-PIN MALE

2 O+

SQUARE CONNECTOR

17 O230
24 O

-0 J
oY
Oea

RI
V35 TXCLK A
v35 TMXCLK B

36 O
37

OC
OF

RTS
DCD A

25 O
26 ©
27 ©
28 O29 O30
31O
32 O
33 0O
340
35 C
38 O-

U
oW
R
ol
O P
0 3
OV
O X
OH
OE
o]
O

39 O

40 O

(o)

-0 B

CTS A
DTE GND

41 O

V35 CLK A
V35 ClK B
V35 RXC A
V35 RXD B
V35 TXD A
v35 TMXD B
V35 RXCLK A
v35 RXCLK B
DTR
DSR A

Xe—-3142-88A

A-16

DECrouter 250 Hardware Instaliation

A.2.2.4 BC23v-02 Synchronous Line Adapter Cable
Use the BC23V-02 synchronous line adapter cable to connect the DECrouter 250,

50-pin, D-connector to V.24 devices. The BC23V-02 is 16-wire cable with a S0-pin,
female. D-connectos on one end and a 25-pin, male, D-connector on the other end.
Figure A-13 shows the wiring diagram.

Figure A-13: Wiring Diagram for BC23V-02 Synchronous Line Adapter Cable

S0-PIN FEMALE
D—-CONNECTOR

2
3
-

TXD
RXD

LOC LBK
SMi

TEST IND
RENM LPBK
Ri

RXCLK
TXCLK
CLK

DTR
OSR
RTS

DCD

CTs

GND
DSRS

N~
(7

o]
e

TTMCLK A | 20
TMCLK B | 21 O
CLK
22 O
DR
33 O

(’\

25—-PiN MALE
D-CONNECTOR

0000000 o] o o) o
ONN
SN=N
w
Q&
wn X @

XD
RXD A
RXD B
LOC LBK
Sl

1 O
2 O
3 O
4 O
8
11 O
12 O
|13

LKe~ 314%-60n

)

Connector and Cable Pin Descriptions

A-17

A.2.2.5 BC22X-02 BT Kilostream Adapter Cable (U.K. Only)
Use the BC22X-02

BT Kilostreanr adapier cable to connect the DECrouter 250,

50-psn. D-connector to British Telecom’s Kilostream service (through the BC22Z-xx
extensioncabie
and the 64k bit/s, X.21 interface). The BC22X-02 is 7-wire cable witha

50-pin, female, D-connector on one end and a 15-pin, male, D-connector on the other
end. Figure A-14 shows the wiring diagram.

Figure A-14: Wiring Diagram for BC22X-02 BT Kliostream Adapter Cable

S50-PIN FEMALE
D-CONNECTOR

/1_\
TMD A
TXD B

RTS A
RTS B
RXD A

RXD 8

15-PIN MALE

2 0O
O
3 0

D~CONNECTOR

6 O
7

02
-0¢9
O

8 O
100
11 O+

12 O--h‘fi

LOCL LPBK

130--_-_-_-_|

o)
04

120-ohm,} O

TEST IND | 15 O~ ’/J?A>.5w

RXCLK A
RXCLK B
TCLK A

o]
o
06

TTMXCLK B
DSR A
DSR B
DCD A

DCD B
CTS A

18O
19 O
200

| RXD A

|rRXD B

resistors | O

370

TXCLK A
013 | TXCLK B
(o]
@)
O

210
340
35 0-

380

crs e

400~

DSRS

500

DTE GND
DTR A
DR B

TXDA
TMNR

44O
45
48
O

o
(o]

DTE GND

WKC-3870-E8A

A-18

DECrouter 250 Hardware Instaliation ‘

)

A.2.2.6 H3199 Universal, 50-Pin, Loopback Connector
Use the H3199 universal, 50-pin, loopback connector to test the 50-pin D-connector
driver and receiver circuits. Figure A-15 shows the wiring diagram.

Connector and Cable Pin Descriptions

A-19

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ag”i';ggr’” o> §§88882&§§ gggg jg g7 °7
2e333gdRaa88a9G3daadaaaassRgagg

A.2.2.7 H3188, 37-Pin, Loopback Connector
Use the H3198, 37-pin, loopback connector to test the RS-422-A and the RS-423-A interfaces on the $30-pin D-connector and the RS-422-A and RS-423-A adapter cables.

Figure A-16 shows the wiring diagram for the H3 198 loopback coamector.

' Connecior and Cable Pin Descriptions

A-21

Figure A-16: H3198, 37-?in, Loopback Connector

‘

37-PIN FEMALE

D~-CONNECTOR
SMi

(o
2 O

oA
TXCLK A

30
|40
|5 O

oR A

|1201—]

DO A
Ri

DSRS

ck A

[130

140

16 O
|[170

TEST IND [ 18O
190
DCE GND | 200210

RTS B
RXCLK 8
Cis B

|220
| 230~
240

DSR B
DTR B
0CD B
NC
NC

250
| 260
27 O280
290
30 O+
31 O32
33 O~

ClK B

35 O~

TM8
TXCLK B
RXD B

34 O~ -

NC
36
DTE GND | 37O

LKC~3144~-804

A-22

DECrouter 250 Hardware Instaliation ‘

Use the H3250, 34-pin, loopback connector to test the V.35 interface on the 50-pin,
D-connector and the BC19F-02 adapter cable. Figure A-17 shows the wiring dingram
of the H3250, 34-pin, loopback connector.

Flgure A-17: Wiring Diagram for H3250, 34-Pin, Loopback Connactor

V35 CLK A

C 00009999009
999)

34—-PIN FEMALE
SQUARE CONNECTOR

MINOO-NIIXEE<<C

’

A.2.2.8 H3250, 34-Pin, Loopback Connector

e-N45-E0A

A.2.3 Synchronous Line Extension Cables for Serial Communication
Use the cables in Table A-5 with the line adapter cables.

Table A-5:

Synchronous Line Extension Cables

Type

Description

BC55D-XX

Extends BC188-02 line adapter cable (RS-422/V.38)

BC22F-YY

Extends BC12D-02 line adapter cable (V.2 4)

BCS55D-XX

Extends BC19E-02 line adapter cable (RS-423-A)

BC1eL-XX

Extends BC 19F-02 line adapter cable (V.35)

BC222Z-XX

Extends BC22X-02 BT Kilostream Adapter Cable

' Connecior and Cable Pin Descriptions

A-23

A.2.4 BC18E-nx 6-Conductor DEC Office Cable
Use the BC16E cable to connect a terminal to the configuration port. The BC16E is an
unshielded 6-conductor flat cable. This cable is terminated at both ends with an MMP.
Figure A-18 shows a wiring diagram of the BC16E-xx.

Figure A-18: Wiring Diagram for BC16E-xx Cable

LKG-2588-891

A.2.5 H3103 MMJ Loopback Connector
Use the H3103 MMJ loopback connectorto loop back signals on the configuration port.

Figure A-19 shows a wiring diagram of the H3103 loopback connector.
Figure A-19: Wiring Diagram — H3103 Loopback Connector

6Pl

MMP CONNECTOR

()
e
2
3O

40S O-

LKG-2500-881

A-23

DECrouter 250 Hardware instatiation

A.2.8 HL08D Turnaround Connector
-

Use ihe H4080 mrmaround connector in conjunction with a standard Bthernet transceiver cable to loop back the Ethemet signals. Figure A-20 shows an H4080 tumaround
.
BY_

ehe

connector.

Figure A-20: H4080 Turnaround Connector

Connector and Cable Pin Descriptions

A-25

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Port Devices Supported by the
DECrouter 250

This appendix lists port devices supported by the DECrouter 250 system. For the latest
listing of supported devices, see the DECrouter 250 Software Product Description that
applies to your operating system.

B.1

Personal Computers
The DECrouter 250 system supports Digital and non-Digital personal computers.
Digital personal computers supported by DECrouter 250 include:
e

Professional 300 series running Pro/DECnet

Rainbow 100 series running DECnet-Rainbow

VAXmate running DECnetVA Xmate

Non-Digital personal computers supported by DECrouter 250 include:

IBMPC, IBM PC/XT. and IBM PC AT. running DECnet-DOS

8.2 Modems
The DECrouter 250 supports modems that use the following standands:

EIA-232-D/V24/V28

RE&-449.RS-423-A/V.10

RS-449, RS-422-A/V.11
V.38
V.36

Digital modems supporied by the DECrouier 250 include:
DF03

DF112
DF124
DF224

Non-Digital modems supported by the DECrouter 250 include:
Hayes Smartmodem 2400 (V.24)
Codex (2400, 9600 bps) (V.24)
Bell 212A (V.24)

DECrouter 250 Hardware Instaliation

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C
Cabling Strategies

C.1 Router-to-Network Connection
Connect the DECrouter 259 hardware to either a standard Ethemnet local area network
or a ThinWire Ethernet local area netwoik. The follewing seciions describe coinmoniy
used strategies.

C.1.1 Stendard Ethernet Connection
Use a ransceiver cable to connect the router to the standard Ethemet network (see
Figure C-1). Connect the transceiver cable to any of the following:

Another transceiver cable section. This cable can be secured in an Etherjack
junction box.

A DELNI local area interconnect.

A tr.nsceiver on a standard Ethemnet coanial cable for Digital Equipment Corporation baseband networks or a DECOM for Digital Equipment Cosporation
broadband networks.

NOTE
The DECrouter 250 is compatible with Digital

baseband and broadband Ethemet products and
with Ethernet and IEEE 802.3 specifications.

Figure C-1:

Standard Ethernet Coaxial Cable Connection

STANDARD ETHERNET

Coaxial CABLE

)

RANSQENER&.

TRANSCEIVER CABLE

L THERJACK

_tCrouter 250

[

DECrouter 297

a,lgunm ="

(¢

Toa

RETeRiss
me
=

TRANSTLIVE N

J
LA

KG9

894

C.1.2 ThinWire Ethernet Connection
Use a ThinWire coaxial cable to connect the router to the system in either of two ways'
e

As pan of a stand-alone ThinWire Ethemet coaxial cable segment

As pan of a DEMPR or DESPR ThinWire Ethemet coaxial cable segment

Figure C-2 shows routers connected as pan of 2 ThinWire Ethemnet segment.

c-2

DECrouter 250 Hardware Instaliation

NOTE
A ThinWire segmemnt must begin and end in a
50-ohm terminator as shown in Figure C-2.

Figure C-3 shows routers connected as part of a DEMPR ThinWire Ethernet segment.
NOTE
The DEMPR and DESPR terminate the line internally in 50 chms
so thas it is nol necessasy touse 8

$0-ohm temminator. However, all unused lines on
the DEMPR must hyve a 50-chm terminator installed as shown in Figure C.
Furnther information on ThinWire Ethemnet installation may be found in DECconnect
System Planming and Configuration Guide.

Cabling Strategies

c-3

Figure C-2: ThinWire Ethernet Stand-Alone Segment

VAXstation 2000

S TERMINATOR
\ T CONNECTOR
CONNECTOR

a——ThinWire ETHERNET CABLE

DECserver 300

Eé-ogwm r-;.%
4

CONNECTOR

T CONNECTOR

CONNECTOR

<w——ThinWire ETHERNET CABLE

DECrouter 250

TM)

—

a. = Jgennin =

CONNECTOR

T CONNECTOR

CONNECTOR

«ag——ThinWire ETHERNET CABLE

)
VAXstation 2000

=—

\TERMINATOR

\
L

T CONNECTOR

CONNECTOR
LKG-3152-80A

Cc4

DECrouter 250 Hardware Instaliation

Figure C-3: DEMPR ThinWire Connection

DEMPR

Hr ESIREBRRREEIH
YAXstation 2000

ThinWire ETHERNET CABLES

DECrouter 250

SUR

o I
= IIIIIII

DECrouter 250

[

DECserver 300

|o—
]

o=thEbEREL

DECserver 300

== 0 phbbbbbb

L mbbbEBBLED
>
67

DECserver 300

we @0 phbbbbbe | —*

Q8- gtibtbtivth (=8

J
TERMINATOR

T CONNECTOR

Y,
LKG~3153—88A

Cabling Strategies

Figure C-4: DEMPR Connections

TERMINATORS

ThinWire CABLES
LKG~250689

C.2 Router-to-Device Connection
Connect devices (modems. personal computers) to either the 25-pin or the 50-pin
D-connectors. The foliowing sections describe some commonly used me:hods of connecting devices to the router.

C.2.1 Connecting to 25-Pin D-Connector
The 25-pin D-connector suppons the standards named in Table C-| below:

Teble C-1: Standards Supported on 25-Pin D-Conr
- ctor

Parameter

ccity

Signal functions

V24

ElA-232-D

Electricel characteristics

v.28

ElA-232-D

Connector/pin outs

ISO

ISO-2110

EIA

ElA-232-D

The foliowing methods are used to connect devices to these connectors:

e
e

Synchronous and asynchronous modems — Connected using BC22F cable.
Asynchronous devices requiring modem signals — Connected using BC17D
cable.

C-€

DECrouter 250 Hardware Instaligtion

)

Asynchronous devices requiring data ieads only — Coanected using BC22D

cable.

C.2.2 Connecting to 50-Pin D-Connector
The 50-pin D-connector supports the following standards:
»

E1A-232-D/V.24/V.28
RS-449,RS-423-A/V.10

RS-449,RS-422-A/V.1]
V.35

V.36

Table C-2 shows tie parameters to which the standards apply.

Tabie C-2: Standards Supported on 50-Pin D-Connector
Parameter

CCIy

ElA

Signal functions

V.24

ElA-232-D, RS-449

Electrical characteristics

v.28

ElA-232-D, RS-4490

Electrical characteristics of voltage

V.10

RS-423-A

Electrical characteristics of voltage

V.11

RS-422-A

Wide Band Modems

V35 V36

unbalanced circuits
balanced circuits

Use the following methods to connect devices to these connectors:
Synchronous and asynchronous modems — Use adapter cable BC19D-02 and

BC22F cable.
Asynchronous devices requiring modem signals — Use adapter cable

BCI19D-02 and BC17D cable.
Asynchronous devices requiring data leads only — Use adapter cable

BC19D-02 and BC22D cable.

R8-422-A and V.36 modems — Use adapter cable BC19B-02 and extension
cable BCSSD-xx.

Cabling Strategles

c-7

RS-423-A modems — Use adapter cable BC19E-02 and extension cable
BC35D-xx.

‘

V.35 modems — Use adapter cable BC19F-02 and extension cable BC19L-xx.

BT Kilostreain service — Use adapter cable BC22X-02 and extension cable
BC22Z-xx.

DECrouter 250 Hardware Instaliation

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Bootline Configuration Program (BCP)

D.1 Introduction
You use the bootline configuration program (BCP)to configure adevice port so that the
software can be loaded through the pont. You can also use BCP to see the current
parameters . " » device port and to test any port and its modems and cables.
BCP supports the following commands:

CONFIGURE

You use this command to set the parameters for a device port.
e

SHOW

You use this command to show the current parameters of a device port.
e

TEST

You use this command to perform loopback testing on any port and its associated
cables and modems.
e

CONTINUE

This command retumns the router to firmware control.

D.2 BCP Commands
The following subsections describe the BCP commands and the last subsection
describes when and how to enter BCP.

D.2.1 CONFIGURE Command
You use the CONFIGURE command to:

Enable/disab'e down-line load over the Ethemet
If down-line loading over the Ethernet is disabled, the BCP program will inform
the firmware and the fiimware will only atempt to down-line load through a
device pont.

Set the node password for the router

This password is used by the router 10 accept or reject information. Thus password
is set by the network manager

Set the device port parameters
The device port parameters are shown in Table D- |

Table D-1:

Device Port Parameiers

Parameter

Possible Values

Line State

Enable or Disable (down-line load)

Modem Control/

Modem control or data leads only

Protocol Type

Digital Data Communications Message Protocol (DDCMP)

Mode

Synchronous or asynchronous

Data Leads Only

*Speed

300. 600. 1200, 2400, 4800, 8600, 19200 baud
~— all ports

(56K and 64X — on port 1 and port 2 are synchronous options only
and are therefore set autcmatically)

*You can sel speed in asynchrorous mode only.

D.2.2 SHOW Command
You use the SHOW command to
e

See the current parameters for a device pont

(See Table D-1 for a list of the device port parameters )
e

See the node parameters for the router
The node parameters are the router password, Ethernet down-line loading

(enabled or disabled), and the router address (dispiay only, cannot be changed).

D-2

DECrouter 250 Hardware Instaliation

D.2.3 TEST Commeand

You use the TEST command to perform loopback testing on any pon and its associated
cables or modems. The test command has four modes:
intemal loop

You use thus mode (o run the self-test loopback tests. The port connector and its
intemal winng is not checked dunng this test.
Extemnal loop

You use this mode to test:

A port connector and its imtemnal winng.

You must termunate the porn under test with a locopback connector.
b

The port connector, its intemmal winng, and associated cables.
You must terminate the cables with a loopback connector

Local loop

You use thus mode to test as far as the local modem. This test assumes that the
modem recogiuzes the Local Loop modem signal.
Remuote loop

You use this mode to test as far as the remote modem. This test assumes that the

remote modem recognizes the Remote Loop modem signal

D.2.4 CONTINUE Command
You usc the CONTINUE command to retum from BCP

D.2.8 How {0 Enter BCP
You enter BCP by typing

on one of the following occasions:

When router passes self-tess and is attempting to load.

The router sevei-segment display shows either a “3” or a “4”. The terminal will
show one of the following messagesInit

-1101-

Attempting to

locate

load host,

([1808802])

Init

-1101-

Attempting

locate

load hoet,

(ETHERNET)

Intt

-1100-

Requesting

lcad on

Init

-1103-

Router will

Boatiine Cenfiguration Program (BCP)

serial

linee

retry operation

seconds

D-3

When prompted by the screen display:
Init

-1004- Enter "B to enter BCY

This prompi occurs when no ports, Fthemet or device. have heenenabled to load
the software from 2 host or enabled ports have tailed self-test.
3.

When prompied by the screen display:
Init

-1003-

Enter

“P

repeat

self-test

enter

"B to enter BCP

This prompt occurs when the Ethemet port has been enable to load the software
but fails self-test and none of the device ports is available for loading.
If the router is trying to load over the senial line, when you type

. there is a

delay of approximately five seconds and the following message is displayed:
Init

-1122- Entering BCP,

pleams wait

D.2.6 How to Abort a Command Within BCP
To abort a CONFIGURE/SHOW/TEST command, press

D.3 BCP Messages
The conditions which cause BCP to display messages on the console terminal and the
format of those messages are explained in the following sectons.

D.3.1 CONFIGURE Command Messages
BCP displays the following messages if you make an error configuring the node
password:

BCP

Init

-1200-

Password

Init

-1201-

Invalid password - enter

too

displays the following

long -

enter

byte paasword

heradecimal

number

message if it finds a checksum error when you

configure/show the node password:
Init

-1206~ Checksum error

Init

-1207-

found

in mazintenance

Factory defaults applied to this

section

BCP displays the following message if it finds a checksum error when you
configure/show the device port parameters:

D-4

DECrouter 250 Hardware Instaliation

Init -1204- Checksum error found in line parameters section
Init -1207- Factory defaults applied to this section

BCP displays the following message if it finds a checksum error when you
enable/disable/show the Ethemet ports:
Init

-1204- Checkaum error

found in NI parameters section

Init -1207- Factory defaults applied to this section

D.3.2 Test Command Messages

BCP displays the following message if the router fails the specified test:
Init -1202- Test Failed

BCP displays the following message if the router passes the specified test:
Init

-1208-

Test

Passed

D.3.3 General

BCP displays the following message if you make a mistake entering command
keywords:
Init

D.4 How

-1203- Unrecognised or ambiguous keyword

Configure

Device

Port

Parameters and

Node

Parameters
In order 10 configure device port parameters and node parameters you must first enter
BCP. The occasions when you can enter BCP are described in Section D.2. You
configure the device port parameters and node parameters with the configure
command. The following sections describe the procedures you use.

NOTE

Default values are shown in the square brackets.
The

default

value,

the

case

the

CONFIGURE command, is the value which the
parameter was set to previously. For the sake of
explanation, the writer has assumed the default
values shown in the procedure. You should also

note that the BCP program refers to ports as lines.

Bootline Configuration Program (BCP)

D-5

D.4.1 How to Configure Device Port Parameters
To configure device port parameters, use the following procedure:
1.

Enter BCP. Type:

The terminal displays:
Digital Equipment

Corporation

DECrouter 250 Boot-line Configuration Program
BCP>

Type:
BCE>CONF

The terminal displays:
(LINE,

NODE)

[LINE]:

).
3. Toselect line, press[_RET
The terminal displays:
(123456
78)

[1}:

Enter the number of the port you wish to configure. For example, to configure

port 2, type:
[1}:2

(12345678

The terminal displays:
(ENABLE,

DISABLE)

[ENABLE]:

Toenable the port for down-line loading, press

The terminal displays:
(MODEM_CONTROL,

DATA_LEADS ONLY)

[DATA_LEADS_ONLY]:

To enable the port for modem control, type:
(MODEM_CONTROL,

DATA_LEADS ONLY)

{DATA_LEADS_ONLY] :MODEM_CONTROL

The terminal displays:
(LINE PROTOCOL)

(DDCMP]:

7. To select DDCMP, press[_RET_].

D-6

DECrouter 250 Hardware Installation

NOTE
Alternatively, you can type HDLC to select the

High Level Data Link Protocol (HDLC). HDLC
is not currently implemented on the DECrouter

250. This option is reserved for a possible future
version of ihe DECrouter 250 system.
The terminal displays:
(SYNC

ASYNC)

(SYNC):

Toselect ASYNC type:
([SYNC]:ASYNC

(SYNC ASYNC)

NOTE
If you choose SYNC, no further prompting is

required as the speed is set by the external clock.
The terminal displays:

(300,

600,

9600,

4800,

1200,

2400,

19200)

[300):

To select 19200, type:
(300,

600,

9600,

4800,

1200,

2400,

19200)

(300):19200

You have now configured pont 2 for down-line loading, using DDCMP protocol,

asynchronously, at a speed of 19200. The terminal displays:
BCP>

10. To return command of the router to the firmware _type:
BCP>CONTINUE

The following example shows how to enable pont 8 and configure it for DDCMP,
ASYNC, 9600 baud.

Bootline Configuration Program (BCP)

D-7

BCP>COM
(LINE,

NODE)

[LINE):

(1234956
78)

(2):8

(ENABLE,

[DISABLE] :ENABLE

DISABLE)

(MODEM_CONTROL,

DATA_LEADS_ONLY)

(LINE PROTOCOL)

([DDCMP):

{SYNC,

ARSYNC)

(300,

600,

9600,

4800,

[(DATA_LEADS ONLY] :MODFM CONTROL

{ASYNT[-

1200,

2400,

19200)

[4800):9600

BCP>CONTINUE

D.4.2 How to Configure Node Parameters
The following sections describe how to configure the node parameters of the router.

D.4.2.1 How to Enable/Disable Ethernet Down-Line Load
To enable/disable Ethemnet down-line load. use the following procedure:
Enter BCP Type-

The terminal displays:
Digital

DECro iter

2%0

Equipment

Boot-line

Corporation

Configuratior

Frogram

BCP>

Type:

BCP>CONF

RET

The terminal dispiays:
(LINE,

NODE)

([LINE]

To select
node, type
(LINE,

NODE)

[LINE]

NODE

The terminal displays:
(NI,

SERVICE PASSWORD)

(NI]-

To select NI, typeRET

DECrouter 250 Hardware Installation

The terminal displays:
[NI_EWABLED):

(MI_ENABLED WI_DISABLED)

To disable down-line load on Ethemet, type:
(WI_RWABLED):NI_DISABLE

(NI_EWABLED NI_DISABLED)

To retum control of the router to the firmware, type:
BCP>CONTINUE

D.4.2.2 How to Set the Router Password
To set the router password, use the following procedure:
1.

Enter BCP. Type:

The terminal displays:
Digital Equipment

Corporation

DECrouter 250 Boot-line Configuration Program
BCP>

Type:
BCP>CONF

The terminal displays:
(LINE,

NODE)

[LINE]:

To select node, type:
(LINE,

NODE)

[LINE] NODE

The terminal displays:
(NI,

SERVICE_PASSWORD)

[NI]:

To set the password, type:
(NI,

SERVICE PASSWORD)

[NI]:SERVICE_PASSWORD

The terminal displays:
Enter New Service Passwvord:

Type new service password, for example:
Enter New Service Pasaword:falaSa

Bootline Configuration Program (BCP)

To retum control of the router to the finmware, type:

BCP>CONTINUE

D.5 How to Return to Factory Set Parameters
To retum to factory set parameters, use the following procedure:
1.

Disconnect power from the router.

Press D1, on the rear of the router, and keep it pressed.

Reconnect power to the router.

When the seven-segment display shows E, release D1.

You have now loaded the factory set parameters into the router.

The factory set parameter values are shown in Table D-2.
Table D-2:

Factory Set Parameters

Parameter

Values

Router password

Ethernet

Erabled

Line State

Enabled (down-line load)

Modem Control/

Data leads only

Protocol Type

Digital Data Communications Message Protocol(DDCMP)

Mode

Synchronous

Speed

9600 bps

Data Leads Only

D.6 How to Check Device Port Paramateis and Node Parameters
To display device port parameters and node parameters you must first enter BCP. The
occasions when you can enter BCP are described in Section D 2. You check the device
port parameters and node parameters with the SHOW command. The following
sections describe the procedures you use.

D-10

DECrouter 250 Hardware Installation

D.6.1 How to Check Device Pori Parameteis
To check device port parameters, use the following procedure:
1.

Enter BCP. Type:

|0Tfi I
The terminal displays:
Digital Equipment

Cocrperavion

DECrouter 250 Boot-line Configuration Program

BCP>

Tyne:
BCP>SHOW

The terminal displays:
(LINE,

[LINE):

NODE)

The terminal displays:
(12345678

(1]:

Todisplay the device port parameters for pon 2. type:
123456178

(1):2

The terminal displays the parameters for port 2, for example:
Protocol

Type

- [pDCMP)

Mode

: {RSYNC)

Speed

: (19200}

Modem Control

- [MODEM_CONTROL)

Loading enabled or disabled

- [ERABLED])

D.6.2 How to Check Node Parameters
To check node pasrameters use the following procedure.

Enter BCP Type:

The terminz displays
Digital

Equipment

Corporation

DECrouter 250 Boot-line Configuration Program
BCP>

Bootline Configuration Program (BCP)

D-11

mnnoucs_fl_j
The terminal displays:
(LTVE,

WODB)

([LINE):

WODR)

([LINE]:NODE

Type:
(LINE,

The terminal displays the node pasameters, for example:
WX

ie ENABLED

Onite maintenance password 18:00000000€a025a
Unite Station address:08-00~-2b-12-34-56

D.7 How to Test & Device Port, Cables and Modem
Touse the TEST command you must first enter BCP. The occasions when you canenter
BCP are described in Section D.2. The fol!swing sections describe the procedures you
use.

D.7.1 How to Test a Device Pont
To test a device pont, use the following procedure:
1.

Emter BCP. Type:

The terminal displays:
Digital

DECrouter

Equipmont

Corporation

250 Boot-line Configuration Program

BCP>

Type
BCP>TEST

The terminal displays:
(12345678

(1]

To select port 4, type:
(12345678

(1):4

The terminal displays:
(LOCAL LOOP REMOTE_ LOOP EXTERNAL_LOOP INTERNAL_ LOOP)

D-12

([LOCAL_LOOP]:

DECrouter 250 Hardware Instaflation

4. To test port 4, type:

(LOCAL_LOOP

REMOTE_LOOP

EXTERNAL_LOOP

INTERNAL_LOOP)

[LOCAL_Z 0P ] : INTERNAL_LOCOP

Self-test is now run on port 4. If the test is passad, the terminal displays:
Init -1208-,

test paseed

D.7.2 How to Test a Device Port Using a Looppack Connector
Totest adevice port with a loopback connector, connect the loopback connector to the
required port, for example port 4, and use the following procedure:
1.

Enter BCP. Type:

The terminal displays:
Digital

DECroutar

Equipment

Corporation

250 Boot-line Configuration Program

BCP>

Type:
BCP>TEST

The terminal displays:
(12345678)

[1}:

Toselect port 4, type:
(12245678)

[1]:4

The terminal displays:
(LOCAL_LOOP REMOTE_LOOP EXTERNAL_LOOP INTERNAL_LOOP)

(LOCAL_LOOP}

4. To rest pont 4 using a loopback connector, type:

(LOCAL_LOOP

REMOTE_LOOP

EXTERNAL_LOOP

INTERNAL_LOOP)

[LOCAL_LOOP ) :EXTERNAL_LOOP

Self-test is now run on port 4. If the test is passed, the terminal displays:
Tnit

-1208-

test pasaed

D.7.3 How to Test a Device Port and its Cables
Totest adevice port, for example port 4, and its cables, terminate the cable in aloopback

connector, and use the following procedure:

Bootline Configuration Program (BCP)

D-13

Enter BCP. Type:

The terminal displays:
Digital Equipment Corporation
DECrouter 250 Boot-line Configuration Program
BCP>

Type:
BCP>TEST

The terminal displays:
(L2345678)

[1):

Toselect port 4, type:
(12345678)

(1):4

The terminal displays:
(LOCAL_LOOP REMOTE LOOP EXTERNAL_LOOP INTERNAL_LOOPF)

[LOCAL_LOOFP]:

8. To test port 4 using a loopback connector, type:
REMOTE_LOOP

{LOCAL_LOOP

EXTERNAL_LOOP

INTERNAL LOOP)

{LOCAL_LOOP] :EXTERNAL LOOP

Self-12st is now run on pon 4. If the test is passed, the terminal displays:
Init

-1208~ test passed

D.7.4 How to Test a Device Port, its Cables, and Its Local Modem

To test a device pon, for example por. 4. its cables, and its local modem, use the
following procedure:
{.

Enter BCP Type:

The terminal displays:
Digital

DECrouter

Equipment

Corporatin

250 Boot-line Configuration Program

BCP>

Type:
BCP>TEST

The tzromnal dusplays:
(123

D-14

45678)

[1):

DECrouter 250 Hardware Installation

Toselect port 4, type:
(1):4

(12345678

The terminal displays:
(LOCAL_LOOP REMOTE_LOOP EXTERNAL_LOOP INTERNWAL_LOOP)

{LOCAL_LOOR):

4. To test port 4 using a loopback conmector type:

(LOCAL_LOOP

(LOCAL_LOOP)]

REMOTE_LOOP

LOCAL_LOOP

EXTERNAL_LOOP

INTERNAL_LOOP)

Self-test is now run on pont 4. If the test is passed, the erininal displays:
Init

-1208- test passed

D.7.5 How to Test a Device Port, its Cables, its Local Modem, s Modem Line,
snd Remote Modem

Totest a device port, for example powt 4. its cables, its local modem, its modem line and
remote modem, use the following procedure
1.

Enter BCP Type-

The 1emunal displays:
Digital

DECrouter

Equipment

250

Cotporation

Boot-line Configuration

Program

BCP
>

Type
BCP>TEST

The ternminal dasplays
(12145678

(1)

To select poit 4, type:
(12345678

(1]
4

The terminal displays
(LOCAL_LOOP REMOTE_LOOP EXTERNAL LOOP INTERNAL LOOP)

{LOCAL_LOOP):

4 To test port 4 using a loopback connector. type:

(LOCAL_LOOP

REMOTE_LOOP

EXTERNAL_LOOP

INTERMAL _LOOP)

[LOCAL_LOOF] -REMOTE LOOP

Self-test is now run on port 4. If the test is passed, the terminal displays:
Init

-1208-

test

paesed

Bootline Configuration Program (BCP)

D15

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E
How to Order Hardware

are -related products. See your
This appendix lisis order codes for DECrouter 280 hardw
Digital sales representative 10 purchase equipment.

For a listing of software options, see the DECrouter 250 Sofrware Product Descnpion
that applies 10 your operatung sysicm

DECrouter 250
The DECrouter 250 shupment consists of the following:
e

DECrouter 250

DECrouter 250 Hardware Installanon

DECrouter 250 tdentificanon

Rack mount knt

BNC T-connector

BNC S0-ohm termnators (21

Software License

FTZ Card (Austna and Germany only)

Power cord

H1199 leopback connector

HI266 loopback connector

BS2IV.02 cable kut

Card

Teble B-1 gives the onder code for this shipment.
Tabie E-1:

E-2

DECrouter
250

Country

Ovder Code

Austrelia

DSRVR-02

Belgium

DSRVR-DX

Canade (English end French)

DSRVR-DA

Denmark

DSRVR-DO

Finland

DSRVRA-DX

France

DSRVR-DX

Germany

DSRVA-DX

Hollend

DSRVR-DX

Haly

DSRVR-DI

lerael

DSRVR-DT

Japan

DSRVR-DA

New Zealand

DSRVR-DZ

Norwey

DSRVR-DX

Spain

DSAVR.OX

Swedon

DSRVR-OX

Switzeriand (French and German)

DSRVR-DK

United Kingdom

DSRVRA-DE

Urited States

DSAVR-DA

DECrouter 250 Hardwere Instaliation

E.2 DECrouter 250 Accessories
Table E-2 briefly describes the router 's accessories and gives their order codes.
Tabie E-2: DECrouter 250 Accessories

Description

Order Code

Ethernet turnaround connector — For testing ransceiver and

H4080

Etherjack kit — For covering and securing transceiver cable

DEXJK

transceiver cable

connections

Wall/partition mourting bracket kit — for mounting the

HO39

DECrouter 250 to walls or office partitions

Rack mount kit — Far mounting the DECrouter 250 in stan-

H041-AC

dard rack cabinets

E.3

DECrouter 250 Device Cables and Adapters
Table E-1 shows the cables and adapters available to connect devices (modems and
personal computers) to the DECrouter 250

How to Order Hardware

E-3

Tabie E-3: DECrouter 250 Device Cables and Adaptere

Description

Order Code

Null modem cable, 8-wire, fully shielded EIA-232-C/V.26

BC22D-YY *

Null modem cable, 10-wire, fully shisided EIA-232-C/V.28

BC17D-YY*

Full, EIA-232-C/V.28, modem cable, 25-wire, {ully shieldad

BC22F-YY *

Synchronous line adapter cable, DECrouter 250 to RS-422/V36

BC19B-02

Synchronous line adapter cable kit, DECrouter 250 to V.24

BS23V-02 #

Synchronous line adapter cable, DECrouter 250 to RS-423

BC19E-02

Synchronous line adapter cable, DECrouter 250 to V.35

BC19F-02

BT Kilostroam adapter cable, DECrouter 250 to BT Kilostream

BCZ2X-02

Synchwonous line extension cable. RS-422/RS-423/V 38

BCSSD-XX **

Synchronous line extension cable, V.35

C10L-XX *°

X.21 modem extension cable, BT Kilogtream service

BC22Z-XX *¢

Loopback connector for 25-pin D-connector

H3266

Universal 50-pin loopback connector

H3199

Synchronous line loopback connector (RS-423/RS-422)

H3198

Synchronous line loopback connector (V.35)

H3250

25-pin, male to MMJ (moditied modular jack), adapter

HB571-A

25-pin, female to MMJ (modified madular jack). adapter

HB571-B

" YY represents one of:
10

25
35

10 #(3.1 m)

25
ft (7.6 m)
35#(10.7 m)

50 #t (15.2 m)

** XX represents one of.
25

50
75

AOD

251 (7.6 m)

50 ft (15.2 m)
75t (22.9 m)

10
1t (30.5
0 m)

# Includes BC23V-02 cable and 12-27591-01 adapter

NOTE
The RS-232-C/EIA-232-D adapter, Digital part number 12-27591-01, can be obtained by contacting your local Digital service office.

DECrouter 250 Hardware Instaliation

E.4 Transcelver Cables
Use BNE3x-xx transceiver cable — available in FEP versions — in retum air conduits

and, in PVC versions — in nonenvironmental airspaces. The large diameter of this
cable results in a lower signal cable loss per length of cable than the smaller diameter
office transceiver cable. Two styles of connectors are available: a straight connector
and a right-angle connector.

The following cables are available:

BNE3A-xx PV, straight-connector transceiver cable
BNE3B-xx PVC, right-angle connector transceiver cable
BNE3C-xx FEP. straight-connector transceiver cable
BNE3D-xx FEP, right-angle connector transceiver cable

BNE3H-xx PVC, straight-connector, 802.3-compliant transceiver cable
BNE3K-xx PVC, right-angle connector, 802.3-compliant transceiver cable
BNE3L-xx FEP, straight-connector, 802.3-compliant transceiver cable

BNE3M-xx FEP. right-angle connector, 802.3-compliant transceiver cable
The above cables are available in S meters (16.4 feet), 10 meters (32.8 feet), 20 meters

(65.6 feet), and 40 meters (131.2 feet) lengths.
Use BNE4x-xx office transceiver cable — available in PVC versions
— innonenviron-

mental airspaces. The smaller diameter of this cable makes it ideal for use in office environments; however. the smaller diameter results in a cable signal loss that is four
times greater than thit of BNE3x-xx transceiver cables. Two styles of connectors are
available: a straight connector and a right-angle connector.
The following cables are available:

BNEA4A-xx PVC, straight-connector transceiver cable
BNEA4B-xx PVC, nght-angle connector transceiver cable
BNEAC-xx PV, straight-connecior, 802.3-compliant transceiver cable

BNEAD-xx PVC, right-angle connector, 802.3-compliant transceiver cable
The preceding cables are available in 2 meters (6.6 feet) and 5 meters (16.4 feet)
lengths.

How to Order Hardware

E-5

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Index

Numbers
25-pan D-connectors, 4-20.

A-2
connectung to, 4.1
$0-pin D-connectors, 4-20,
A4

device cables and
toopback connectors.

A-13

50-pn device pont, connecting to. 4-24

BCP
CONFIGURE com-

mand. D-2
CONTINUE command. D-}

device pon parameters, D-2.D-10
how toemter, D-3, D4
messages, D-4

SHOW command.

D.2

TEST command, D-}

BCP commands. D-(
BNC connector, 4-9
Boothine configuration
program (BCP), D-1

Adapter cable. 4-24
Adapters. D3

Console port connector.
Al

connecting a terminal

BCI7D, A-8

to, 4-28

BCI19B-02. A-14

BCI9E-02, A-15
BCI9F-H2_A-16

DDCMP, 1-10

BC22D. A-7. A9

DECmasler, 1-14

BC2F. A-7. A-10

DECnet. 1-10

BC2?V-02, A-17. A-IR

DECOM, C-1I

index-1

DECrouter 250

accessories, D-3
features, 1-10
models, 1-8
order codes, D-2
system, (-1

Ethemet, ransceiver interface, A-1
Ethemet address, 4-1

Extension cables, 4-24,
A-2}

DELNL, C-i
DEMPR, 3-3.4-18,C-2
TrinWire connection,
C-5

Fatal emror, 4-12

DESPR, 3-5.4-18,C-2
Device cables, D-}
25-pin D-connectors,
A-7
Device poris, A-1, A-2,
cannecting to, 4-20
Diagnos
dot, 4-11,
tic
4-12,
5-1

blinkmg, §-3
display. 4-13

off. §-3
Diagnostic information,
5-1
Down-bine load

H3103, A-24
H3198, A-21

H3199, A-19
H1250.A-23

H31266. A-7, A-1)
H4080, A-26
HRS71-A, C-6
H8571-B.C-7
HBS71-D. C-6

does not stars, 5-6
starts, then fails. S-6

DSRVR-AA, |-8

DSRVR-AB. 1-8

Indicators, S-1
Installation
overview, §-1|

service, 1-14

ElA-232.D/V24/V 28,
1-10,A-2 A4
Error messages

1003.5-3
1004, 5-4

index-2

LED
standard Ethernet,
4-14

1005, 5-4, 5-§

ThenWire Ethemet,

1007, 5-4

4.14

Router

3.5

Marximum commani. 100
distanoes. 3-4.C.»

cabling requirements,
34
connectors, 1-13
connecing power,
4-11

Modified modular jack,
MM, 4-28, A-6

contents of shipment,
2-1

Modified modular plug.
4.28

electncal require-

comtrols, 1-12

ments, 3-3
environmenial requiremerus, 3-2

functions, 1-10
identification card,
4-1

Non-fatal error, 4-12
Non-synchronous

rnodems, connecting
to router, C.7

indicators, 1-12

inatiahsing, 4- 31
physical requirements,
3.2
placing. 4.1

aroblems. diagnosing,
S-1

rack mounting. 4-2
removing the covers,
4-5
On-site service, 1-14

venfying installation,
4-32

RS-422-A/V 6 modems,
connecting to router,

C.7

Personal computers. connecting to router, C-7
Port Devices

modems, B-1

personal computers,
B-1

RS-423-A modems. con-

necting to router, C-8
RS-449.RS-422-A V.11,
1-10, A-4

RS-449 RS-423-A/V 10,
1-10, A-4

Preinstallation checks, 3-6

software, 3-6
Problems. what to do, §-1

Self-test. 4-1§

Senal communication line,
connecting, 4-28, 4-29

index-3

Service options, 1-14

Testing, procedure, 4-8

Seven-segment display,

ThinWire Ethernet

4.11,4-12, 5-1

codes, 4-13
flashing, -3
off, 5-2

Site verification, 3-1
Software product service
agreements, 1-14

Software requirements,
1-13

Standard Ethemet, 3-3
connecting, 4-16
connection, C-1
conmector, A-1
selecting, 4-14
Standards supported,
50-pin D-conrector,
C-7

configuration rules,
K
connecting, 4- 18

connection, C-2
connector, A-1

selecting, 4-9
stand-alone segment,
C4
Training, 1-14

Transceiver cables, D-§

V.24/RS-232-C adapier,

12.27591-00, A-8

V.35.1-10, A-4
V.35 modems, connecting

to router, C-8
V.36.1-10, A-4
V24/RS-232-C adapier,
T-connector, 4-9

Terminal, cornecting to
router, 4-28
Terminators, 4-9

index—4

4-22,4-27, A-12
Voltage label, 4-6
Voltage select switch, setting, 4-6