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EK-DEFQA-IN-A01

May 1993

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Document:	DEC FDDIcontroller/Q-bus Installation
Order Number:	EK-DEFQA-IN
Revision:	A01
Pages:	53
Original Filename:

OCR Text

DEC FDDIcontroller/Q-bus

Installation

Order Number: EK–DEFQA–IN. A01

NOTICE – Class A Laser Device:
The lasers in this equipment are Class 1 devices, compliant with CDRH Rules 21, CFR
Subchapter J, Part 1040.10, at date of manufacture. Class 1 laser devices are not
considered to be hazardous.

NOTICE – Class A Computing Device:
This equipment generates, uses, and may emit radio frequency energy. The equipment
has been type tested and found to comply with the limits for a Class A computing device
pursuant to Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable
protection against such radio frequency interference when operated in a commercial
environment. Operation of this equipment in a residential area may cause interference; in
which case, measures taken to correct the interference are at the user’s expense.

CAUTION
This equipment is in the 1st Class category (information equipment to be used in
commercial and/or industrial areas) and conforms to the standards set by the Voluntary
Control Council for Interference by Data Processing Equipment and Electronic Office
Machines aimed at preventing radio interference in commercial and/or industrial areas.
Consequently, when used in a residential area or in an adjacent area thereto, radio
interference may be caused in radios and TV receivers, etc. Read the instructions for
correct handling.

DEC FDDIcontroller/Q-bus

Installation

April 1993
This manual describes how to install and verify the operation of
the DEC FDDIcontroller/Q-bus controller.
Supersession/Update Information:

Order Number: EK-DEFQA–IN. A01

This is a new manual.

EK–DEFQA-IN. A01
April 1993

The information in this document is subject to change without notice and should not be construed as
a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document.
Copyright  1993 by Digital Equipment Corporation
All Rights Reserved.
Printed in U.S.A.

The following are trademarks of Digital Equipment Corporation:
DEC
DECbridge
DECconcentrator
DECconnect
DECdirect

DECnet
MicroVAX
OpenVMS
Q-bus
VAX
VMS

This manual was produced by Telecommunications and Networks Publications.

Contents
Safety

Preface

Introducing the Controller
1.1
1.2
1.3

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DEC FDDIcontroller/Q-bus Models Available from Digital . . .
DEC FDDIcontroller/Q-bus Components . . . . . . . . . . . . . . . . .

Unpacking the Controller

Adding the Controller to Your System Configuration
3.1
3.2
3.3
3.4

Verifying System Software . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Determining the Current System Configuration . . . . . . . . . . . .
Configuring the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting the CSR Address Switches . . . . . . . . . . . . . . . . . . . . . .

1–1
1–2
1–2

3–1
3–2
3–3
3–4

iii

Installing the Controller
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8

Running Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solving Hardware Problems . . . . . . . . . . . . . . . . . . . . . . . . . . .

5–1
5–1
5–4

MicroVAX Diagnostic Monitor (MDM) Diagnostics
A.1
A.2
A.3
A.4
A.5
A.5.1
A.5.2
A.6
A.6.1
A.6.2
A.6.3
A.7
A.8
A.9

4–1
4–3
4–4
4–6
4–8
4–9
4–10
4–10

Troubleshooting the DEC FDDIcontroller/Q-bus
5.1
5.2
5.3

Preparing the System for Installation . . . . . . . . . . . . . . . . . . . . .
Installing the Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing a Gap Filler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting the FDDI Cable(s) . . . . . . . . . . . . . . . . . . . . . . . . . .
Dressing the FDDI Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Verifying the Controller Installation . . . . . . . . . . . . . . . . . . . . .
Verifying the FDDI Communications Connection . . . . . . . . . . .

Introducing the MicroVAX Diagnostic Monitor . . . . . . . . . . . .
How MDM Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performing MDM Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MDM Test Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MDM Test Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MDM Verify Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MDM Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exerciser Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Utility Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MDM Verify Mode Test Specifications . . . . . . . . . . . . . . . . . . .
MDM Field Service Functional Test . . . . . . . . . . . . . . . . . . . . .
MDM Field Service Exerciser Test . . . . . . . . . . . . . . . . . . . . . .

A–1
A–1
A–2
A–2
A–3
A–3
A–3
A–3
A–3
A–4
A–4
A–4
A–4
A–5

FDDI Connector Keying and Optical Bypass Information
B.1
B.2
B.3

B–1
B–2
B–3

Specifications
C.1
C.2

FDDI Multimode Connector Keying . . . . . . . . . . . . . . . . . . . . .
Changing the Connector Key . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optical Bypass Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . .

C–1
C–1

Related Documentation

Index

Figures
1–1
1–2
1–3
2–1
3–1
4–1
4–2
4–3
4–4
4–5
5–1
B–1
B–2
B–3

Connecting the DEC FDDIcontroller/Q-bus to
the FDDI Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controller Component Locations . . . . . . . . . . . . . . . . . . . . . . . .
Controller Connectors and LEDs . . . . . . . . . . . . . . . . . . . . . . . .
Shipping Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . .
An Example of CSR Address Switch Settings (Top View) . . . .
Removing the Slot Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inserting the Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Gap Filler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting the FDDI Multimode Cable . . . . . . . . . . . . . . . . . .
Dressing the FDDI Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DEC FDDIcontroller/Q-bus Controller LED Locations . . . . . .
DEC FDDIcontroller/Q-bus MIC Receptacle Keying . . . . . . . .
Changing a PHY Port Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optical Bypass Control Signals . . . . . . . . . . . . . . . . . . . . . . . . .

1–1
1–2
1–3
2–2
3–5
4–2
4–4
4–5
4–8
4–9
5–3
B–1
B–2
B–3

Tables
1–1
5–1
5–2
A–1
C–1
C–2

Controller Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DEC FDDIcontroller/Q-bus FRU LED Displays . . . . . . . . . . .
DEC FDDIcontroller/Q-bus PHY LED Displays . . . . . . . . . . .
MDM Diagnostics Verify Mode Tests . . . . . . . . . . . . . . . . . . . .
DEC FDDIcontroller/Q-bus Power Requirements . . . . . . . . . . .
DEC FDDIcontroller/Q-bus Environmental Requirements . . . .

1–2
5–2
5–2
A–4
C–1
C–1

Safety

Any warning or caution that appears in this manual is defined as follows:
Warning

Contains information to prevent personal injury.

Caution

Contains information to prevent damage to equipment.

Vorsicht

Enthält Informationen, die beachtet werden müssen, um
den Benutzer vor Schaden zu bewahren.

Achtung

Enthält Informationen, die beachtet werden müssen, um
die Geräte vor Schaden zu bewahren.

Danger

Signale les informations destinées à prévenir les accidents corporels.

Attention

Signale les informations destinées à prévenir la détérioration du matériel.

Aviso

Contiene información para evitar daños personales.

Precaucion

Contiene información para evitar daños al equipo.

vii

The warnings and cautions that you must observe for the hardware described in this manual appear below in English, German, French, and Spanish, along with the pages on which
these safety messages appear.

CAUTION

Static electricity can damage modules and electronic components. Digital recommends using a grounded antistatic
wrist strap and a grounded work surface when handling any
modules.
[Page 2-1, 4-1, 4-3]

ACHTUNG

Module und elektronische Komponenten können durch
elektrostatische Entladungen beschädigt werden. Benutzen
Sie immer eine antistatische Gelenkmanschette und eine
geerdete Arbeitsunterlage, wenn Sie am offenen Gerät
arbeiten.

ATTENTION

Les charges excessives d’électricité statique peuvent endommager les modules et les composants électroniques.
Digital conseille l’utilisation d’un bracelet de masse et
d’un plan de travail mis à la terre lors de la manipulation des modules.

PRECAUCION

La electricidad estática puede dañar los componentes
electrónicos y los módulos. Digital recomienda que se
utilicen cintas de pasadores y superficies de trabajo
conectadas a tierra al trabajar con cualquier módulo.

viii

WARNING

Some fiber optic equipment can emit laser light that can injure
your eyes. Never look into an optical fiber or connector port.
Always assume the cable is connected to a light source.
[Page 4-6]

VORSICHT

Schauen Sie niemals direkt in ein Glasfaserkabel oder einen
Glasfaseranschluß. Die Laserstrahlen in faser-optischen
Geräten können Augenverletzungen verursachen.

DANGER

Certains équipements utilisant les fibres optiques peuvent
émettre des rayonne-ment laser dangereux pour les yeux.
Ne vous avisez jamais de regarder par l’extrémité d’une
fibre optique ou dans l’ouverture d’un connecteur. Considérez toujours que le câble est relié à une source lumineuse.

AVISO

Algunos equipos de fibra óptica pueden emitir luz láser que
daña los ojos. No sedebe mirar en una puerta de conector o
fibra óptica. Siempre se debe suponer que el cable está conectado a la luz.

WARNING

To prevent personal injury or equipment damage, do not insert telecommunications cabling into the optical bypass relay
connector. [Page B–3]

VORSICHT

Um Personen oder Geräteschäden zu vermeiden, dürfen Sie
das Telefonkabel AUF KEINEN FALL am Anschluß des
optischen Bypass–Relais anschließen.

DANGER

Pour éviter tout risque d’accident corporel ou de dommage
matériel, NE BRANCHEZ PAS de câble de télécommunication sur le connecteur de relais sélectif optique (optical
bypass relay connector).

AVISO

Para evitar daños personales o al equipo, NO se debe
introducir cableado de telecomunicaciones en el conector
óptico de relés de derivación.

Preface

This manual describes how to configure and install the DEC FDDIcontroller/Q-bus
into Q-bus-based MicroVAX and VAX systems. It also shows how the controller
connects to an FDDI network.
Intended Audience
This manual is intended for qualified service personnel who repair Q-bus-based
MicroVAX and VAX systems. This manual assumes that you are familiar with the
DEC FDDIcontroller/Q-bus and understand the concepts and uses of an FDDI network.
Structure of This Manual
This guide has five chapters and four appendixes:
Chapter 1

Contains an overview and description of the
DEC FDDIcontroller/Q-bus.

Chapter 2

Contains unpacking information and controller
kit contents.

Chapter 3

Describes the hardware configuration procedure.

Chapter 4

Describes the installation procedure.

Chapter 5

Contains troubleshooting procedures.

Appendix A

Explains how to use the MicroVAX Diagnostic
Monitor.

Appendix B

Contains connector keying and optical bypass
switch information.

Appendix C

Contains DEC FDDIcontroller/Q-bus specifications.

Appendix D

Lists related documents.

Conventions Used in This Manual
The following conventions are used in this manual.
Special type

Indicates a literal example of system output.

bold

Indicates a command format that you must enter.

Key

Indicates that you press the specified key. For example,
Ret means that you should press the Return key.

The postage-paid Reader’s Comments form on the last page of this document requests your critical evaluation to assist us in preparing future documentation.

xii

1
Introducing the Controller
This chapter describes the DEC FDDIcontroller/Q-bus network device (hereafter
called the DEC FDDIcontroller/Q-bus or controller). It also includes unpacking information for the controller shipping package.

1.1 Overview
The DEC FDDIcontroller/Q-bus allows the transmission of data from Q-bus-based
MicroVAX and VAX systems to a 100-Mb/s FDDI network. Depending on the model and the topology, the controller can serve as either a SAS (Single Attachment Station) or a DAS (Dual Attachment Station) connection to the network (see
Figure 1–1). A SAS connection connects through a fiber optic cable to an FDDIcompliant concentrator (such as the DECconcentrator 500). A DAS connection connects directly to the FDDI network.
Figure 1–1:

Connecting the DEC FDDIcontroller/Q-bus to the FDDI Network
FDDI network

ANSI multimode
fiber cables

DAS
connection

DEC FDDIcontroller
/Q–bus

MicroVAX 3300 – 3900
VAX 4000
BA2xx/4xx
LKG–7984–92I

1–1

1.2 DEC FDDIcontroller/Q-bus Models Available from Digital
Table 1–1 lists and describes the DEC FDDIcontroller/Q–bus models available from
Digital Equipment Corporation.
Table 1–1:

Controller Models

Part Number

Module Number

Description

DEFQA-SF

M7534-AS

One card, single attachment station
(SAS) controller with multimode optics for 1 ANSI MIC connector

DEFQA-DF

M7534-DS

One card, dual attachment station
(DAS) controller with multimode optics for 2 ANSI MIC connectors

1.3 DEC FDDIcontroller/Q-bus Components
Figure 1–2 shows component locations. Figure 1–3 shows connectors and LEDs.
Figure 1–2:

Controller Component Locations (DAS module shown)
CSR
address
switches

MIC A

Flash
memory

MIC B (for DAS
option only)

PHY 2
LED (for DAS
option only)

Handle

FRU LED

PHY 1
LED
Optical
bypass
connector
LKG–7985–93I

1–2

DEC FDDIcontroller/Q–bus Installation

Figure 1–3:

Controller Connectors and LEDs
SAS

DAS

Option label

FRU LED

MIC
connector

MIC A
connector

PHY 1
LED

Optical bypass
jack (shielded
RJ12)

PHY 2
LED
PHY 1

PHY 1

PHY 2

Revision label

MIC B
connector

LKG–7986–92I

Introducing the Controller

1–3

2
Unpacking the Controller

The DEC FDDIcontroller/Q-bus is shipped in one box (see Figure 2–1 for contents).
Remove the contents from the box and place it nearby on an antistatic mat until you
are ready to install it.
Check the shipment for damage and missing parts. In case of damage, contact your
delivery agent and your Digital sales representative. If parts are missing, contact
your Digital sales representative.

CAUTION !
Static electricity can damage modules and electronic
components. Digital recommends using a grounded
antistatic wrist strap and a grounded work surface when
handling any modules.

2–1

Figure 2–1:

Shipping Package Contents

DEC FDDIcontroller/Q–bus Installation (this manual)
P/N EK–DEFQA–IN
License and warranty
P/N QC–04NAA–GZ
DEC FDDIcontroller/Q–bus
SAS
P/N M7643–AS

DAS
P/N M7543–AD

Gap–filler (2)
P/N 70–24071–01

Cable dressing kit
Spiral cable wrap
P/N 12–39915–01
(2 with DAS versions)
Cable clip
P/N 12–21249–01
Bag of MIC connector keys
P/N 22–10942–01
LKG–7987–93I

2–2

DEC FDDIcontroller/Q–bus Installation

3
Adding the Controller to Your
System Configuration
This chapter explains how to add your DEC FDDIcontroller/Q-bus to your host system configuration. Perform this procedure before installing the controller hardware
into the system unit. Configuring your system involves the following steps:
1. Verifying system software
2. Determining your current configuration
3. Configuring the system
4. Setting the DEC FDDIcontroller/Q-bus address switches

3.1 Verifying System Software
Before installing the controller, ensure you have the following prerequisite software
on your system:

• OpenVMS VAX operating system Version 5.5-2
• DEC FDDIcontroller/Q-bus driver files installed on the system
You must use the correct version of the OpenVMS VAX operating system and also
have the controller driver files installed on your system for the controller to work
properly. The DEC LAN Device Driver Kit for OpenVMS VAX Version 1.0 (P/N
QA-OPAAA) contains the DEC FDDIcontroller/Q-bus driver files. The kit includes
VMSINSTAL instructions for loading the driver into your system.
If your version of the OpenVMS VAX operating system is lower than Version 5.5-2,
or you have OpenVMS VAX operating system Version A5.5-2, or you do not have
the driver files and need the device driver kit, contact Digital services.

3–1

NOTE
A future release of the OpenVMS VAX operating system will contain the DEC FDDIcontroller/Q-bus driver
files. When that version of the operating system
becomes available, you will not need a device driver kit.
Contact Digital services for more information.

3.2 Determining the Current System Configuration
You obtain the system CSR and vector address of all system options (excluding your
Q-bus controller) using OpenVMS and running SYSGEN.
1. Using OpenVMS, enter the following commands at the DCL prompt ($) to
get to the system account:
$ RUN SYS$SYSTEM::SYSGEN

RET

OR $ MCR SYSGEN

RET

OpenVMS system places you at the SYSGEN> prompt.
2. To display the current system configuration of all system options, enter the
following command:
SYSGEN> SHOW/CONF

RET

This command returns the device name, number of units, CSR address, and
the vector number of all system devices. The following is an example of the
entire SHOW CONFIGURATION process:
$ RUN SYS$SYSTEM:SYSGEN
SYSGEN> SHOW/CONF

RET

System CSR and Vectors
Name: PIA Units: 1 NEXUS: 0 (640)
Name: ESA Units: 1 NEXUS: 0 (640)
Name: PUA Units: 1 NEXUS: 1 (UBA) CSR: 772150 Vector 1: 154 Vector 2: 000
Name: PIA Units: 1 NEXUS: 1 (UBA) CSR: 774500 Vector 1: 260 Vector 2: 000
Name: TXA Units: 8 NEXUS: 1 (UBA) CSR: 760440 Vector 1: 300 Vector 2: 304
Name: PKA Units: 1 NEXUS: 1 (UBA) CSR: 761300 Vector 1: 310 Vector 2: 000

3–2

DEC FDDIcontroller/Q-bus Installation

3.3 Configuring the System
To add the controller to your system configuration, perform the following steps:
1. Enter CONFIG at the SYSGEN prompt to get the DEVICE prompt:
SYSGEN> CONFIG

RET

DEVICE>

2. Enter each device name in your system configuration at the DEVICE prompt
and also add the DEC FDDIcontroller/Q-bus to the configuration as shown in
the following example:
SYSGEN> CONFIG
Device: UDA

RET

Device: ???

RET

Device: ???

RET

Device: ..others....
Device: FQA

RET

NOTE
If you receive an error message “unknown device,” you
do not have the correct version of the OpenVMS VAX
operating system or correct version of the driver kit
(refer to Section 3.1). Contact Digital services and obtain a copy of the correct version before continuing with
this procedure.

3. Press CTRL/Z to exit from the configuration process. The system configuration then displays the CSR address and vector values for the devices entered
during the configuration process, including the controller (see the following
example). Write down the CSR value for the controller. You need this value
for setting the controller switches. Note that the address is in octal notation
(three binary bits per octal digit).

Adding the Controller to Your System Configuration

3–3

Device: ??? Name: PIA Units: 1 NEXUS: 0 (640)
Device: ??? Name: ESA Units: 1 NEXUS: 0 (640)
Device: UDA Name: PUA Units: 1 NEXUS: 1 (UBA) CSR: 772150 Vector 1: 154
Vector 2: 000
Device: ??? Name: PIA Units: 1 NEXUS: 1 (UBA) CSR: 774500 Vector 1: 260
Vector 2: 000
Device: ??? Name: TXA Units: 8 NEXUS: 1 (UBA) CSR: 760440 Vector 1: 300
Vector 2: 304
Device: ??? Name: PKA Units: 1 NEXUS: 1 (UBA) CSR: 761300 Vector 1: 310
Vector 2: 000
Device: FQA Units: 1 NEXUS: 1 (UBA) CSR: 761400* Vector 1: 330 Vector 2: 000

* These are the locations the system is expecting to find the controller. Set the controller
CSR address switches to the CSR address value displayed.

4. Power down the system and proceed to setting the controller CSR address
switches.
NOTE
If you have a console for the VAX 4000, you can configure the system using the CONFIG console utility. Refer
to your system documentation for more information on
this utility.

3.4 Setting the CSR Address Switches
The controller has seven switches that control the CSR address bits (see Figure 3–1).
Switch 8 is not used. Set the switches to the address displayed during the configuration process (Section 3.3).
There are 22 CSR address bits. The Q-bus module switches control CSR address bits
6 through 12 only. All other bits are controlled by software. For example, if the CSR
address is 761400, the switches are set to those shown in Figure 3–1. Once you have
set the switches, install the controller into the system unit by following instructions
in Chapter 3.
NOTE
Note that you must set the switches using the binary value of the address. An UP (open) setting is equal to a
binary zero and a DOWN setting is equal to a binary
one.

3–4

DEC FDDIcontroller/Q-bus Installation

Figure 3–1:

An Example of CSR Address Switch Settings (Top View)

CSR address 761400

Q-bus address bits
A21 ................A14 A13
0

A12

A11 A10 A9 A8

A7 A6 A5 A4 A3.....A0

0.... 000

Octal values of CSR address

Binary value
00111 111....1

Address switch setting (with inverted labeling)
8

OPEN

Down = 1
Up (open) = 0
Not used
Octal delimiters
NOTE: The labeling on the switches is shown inverted but is in the proper sequence.
LKG-7988-92I

Adding the Controller to Your System Configuration

3–5

4
Installing the Controller
This chapter explains how to install the DEC FDDIcontroller/Q-bus. Installation includes the following steps:
1. Preparing the system for installation
2. Installing the controller
3. Verifying the ground connections
4. Verifying the controller installation
5. Connecting FDDI communications cables
6. Verifying the FDDI communications connection
CAUTION !
Static electricity can damage modules and electronic
components. Digital recommends using a grounded
antistatic wrist strap and a grounded work surface when
handling any modules.

4.1 Preparing the System for Installation
To prepare the system for installation, you need a Phillips-head screwdriver and an
antistatic wrist strap kit, then perform the following:
1. Ensure the system is powered off.

4–1

2. Open the system unit. Refer to your system documentation for instructions
on how to do this.
3. Remove the slot cover from the slot you are installing the controller (see
Figure 4–1). Use a Phillips-head screwdriver to unfasten the two quarter-turn
screws that hold the slot cover in place. Save this cover for future use.
Figure 4–1:

Removing the Slot Cover

Unfasten screw

LKG–7989–93I

4–2

DEC FDDIcontroller/Q-bus Installation

4.2 Installing the Controller
To install the controller, perform the following steps:
CAUTION

Static electricity can damage modules and electronic
components. Digital recommends using a grounded
antistatic wrist strap and a grounded work surface when
handling any modules.

1. Attach one end of the ESD wrist strap to your wrist and the other end to the
system.
NOTE
Install the controller as close to the system processor as
possible to maximize controller performance.

2. Insert the controller into the appropriate slot with the FRU LED at the top
(see Figure 4–2).
3. Lock the controller in place by simultaneously pushing the top lever down
and pulling the bottom lever up.
4. Fasten the quarter-turn captive screws.
5. Remove the antistatic wrist strap from your wrist and the system unit.

Installing the Controller

4–3

Figure 4–2:

Inserting the Controller

FRU
LED

LKG–7990–93I

4.3 Installing a Gap Filler
If you install the controller and notice a gap or air space next to it, you must install a
gap filler to fill in gaps and meet electromagnetic interference (EMI) regulations.
If the modules surrounding the FDDI module are recessed and have no gaps, you do
not install a gap filler. Proceed to Section 4.4.
To correct the EMI problem, install the gap fillers provided in the controller kit. Each
gap filler comes with two screws. Use one or both gap fillers to make your configuration comply with EMI regulations.

4–4

DEC FDDIcontroller/Q-bus Installation

To install a gap filler:
1. Remove the affected blank slot cover or flush-handle module on either side
of the FDDI module.
2. Fit the gap filler onto the side of the blank cover or flush-handle module that
is next to the FDDI module. Make sure the gap filler’s tabs fit into the tab
indentations on the blank cover or flush handle (see Figure 4–3). Attach the
gap filler with two screws provided in the kit.
3. Reinstall the blank slot cover or module containing the gap filler next to the
FDDI module (from where it was removed).
4. Fasten the quarter-turn captive screws on all handles and covers in the backplane.
Figure 4–3:

Installing the Gap Filler

Gap
filler

Blank
slot
cover

Fasten screw

LKG–7991–93I

Installing the Controller

4–5

4.4 Connecting the FDDI Cable(s)
The controller has one (SAS) or two (DAS) FDDI connectors, depending on the
model. Both the SAS and DAS versions of the controller ship with S-type connector
keys. You can change the keying in the connectors to meet your needs (refer to Appendix B).
You can also connect the controller in different configurations. The following list
provides useful information for installing the controller:

•

In a SAS controller connection, Port S of the controller connects to Port M
of a concentrator.

•

If you have a DAS controller:

•

–

Connect controller Port A to adjacent station, Port B.

–

Connect an adjacent station Port A to controller Port B.

If you have a DAS controller in a dual homing configuration:
–

Connect the controller Port B to either Port A or Port M on Concentrator
#1 or an adjacent device.

–

Connect the controller Port A to Port M of Concentrator #2.

If you are using a DAS controller as a SAS:
–

Connect the FDDI cable to either port on the DEC FDDIcontroller/Q-bus
controller.

–

The least amount of station delay occurs when connecting to Port A on
the controller.
WARNING !
Some fiber optic equipment can emit laser light that can
injure your eyes. Never look into an optical fiber or connector port. Always assume the cable is connected to a
light source.

4–6

DEC FDDIcontroller/Q-bus Installation

NOTE
Digital recommends using Digital’s multimode FDDIto-FDDI patch cables (BN24B-nn) for multimode connections.
NOTE
The controller is shipped with S-type connector key(s).
If you want to change the key(s), refer to instructions included in Appendix B.

To install the FDDI cable(s), perform the following:
1. Remove the protective optical dust cover from the FDDI connector receptacle
by squeezing the locking clips on the sides and pulling it out (see
Figure 4–4).
2. Insert the FDDI cable connector into the receptacle (with proper keying),
making sure the locking clips on the sides snap into the locked position (see
Figure 4–4).
3. If you are connecting to the dual ring through a concentrator, verify that the
other end of this cable is connected to the concentrator (such as the DECconcentrator 500). If it is not connected, refer to the appropriate concentrator
manual or Fiber Distributed Data Interface (FDDI) Network Configuration
Guidelines for connection information. Proceed to Section 4.5 and dress the
cables before closing the system.
NOTE
If you are installing a DAS controller and you are using
the optical bypass feature, refer to the installation
instructions included with the optical bypass switch to
install the switch.
NOTE
A controller can be cabled to a patch panel device first
but must then be cabled from the panel to the appropriate concentrator or connect directly to a ring to complete
proper connection of the controller to an FDDI ring.

Installing the Controller

4–7

Figure 4–4:

Connecting the FDDI Multimode Cable

LKG-7992-93I

4.5 Dressing the FDDI Cabling
Use the cable dressing kit included in the controller shipping package to ensure that
the FDDI cable is installed properly and meets bend radius requirements. When cabling the controller, be sure to use the plastic spiral cable wraps on the cable to provide
at least a 2 1/4-inch radius turn in the FDDI cable. This prevents crimping of the
cable. The cable dressing kit includes two stick-on cable clips and one (or two for
DAS versions) plastic spiral cable wrap.
To install the cable dressing kit:
1. Twist a plastic spiral cable wrap around the end of the cable next to the connector (see Figure 4–5). Make sure approximately half of the cable wrap
covers the existing cable restraint.
NOTE
If your cable has a connector keys holder, slide the holder up the cable to allow room for the cable wrap.

2. Remove the peel-and-stick backing from the cable clip and attach the clip
below the card cage area onto the frame of the unit (see Figure 4–5).

4–8

DEC FDDIcontroller/Q-bus Installation

3. Place the cable into the clip. Make sure the cable feeds out through the bottom of the unit.
Figure 4–5:

Dressing the FDDI Cable

Spiral cable wrap

Cable clip

LKG–7993–93I

4.6 Installing the Driver
Verify that you have DEC FDDIcontroller/Q-bus driver files installed on your system. The DEC LAN Device Driver Kit for OpenVMS VAX Version 1.0 (P/N QAOPAAA) contains the DEC FDDIcontroller/Q-bus driver files. The kit includes
VMSINSTAL instructions for loading the driver files into your system. If the files
are not installed, refer to the instructions included with the driver kit and perform the
procedure at this time.

Installing the Controller

4–9

4.7 Verifying the Controller Installation
To verify the hardware installation, apply power and boot the host system. Observe
the FRU LED on the controller.
The LED should be RED during self-test. At the end of self-test, the LED should
change to BLINKING GREEN, indicating the controller has passed self-test and the
driver is loading. When complete, the FRU LED changes to SOLID GREEN.

4.8 Verifying the FDDI Communications Connection
Verify the FDDI communications connection by performing the following:
1. Ensure the system is powered on.
2. Verify that the LEDs are working. The FRU and PHY LEDs should be SOLID GREEN, indicating the controller is fully functional (the interrupt vector
register is programmed properly and the controller can communicate with the
Q-bus).
NOTE
The PHY LED for an unsed port on DAS versions will
be BLINKING GREEN.

If the LEDs are lit correctly and you can send and receive communications,
your controller installation is complete. Close the system unit.
If the LEDs are not lit correctly or you are having problems with the network
connection, refer to Chapter 5 for troubleshooting information.

4–10

DEC FDDIcontroller/Q-bus Installation

5
Troubleshooting the
DEC FDDIcontroller/Q-bus

This chapter explains how to troubleshoot the controller. It contains the LED display
and other general information to help determine the source of a problem.

5.1 Running Self-test
Self-test is initiated at power up. It consists of a series of on-board diagnostic tests to
verify the operation of the controller after installation. This ensures that the controller is working properly.
Self-test checks everything on the controller except the host interface circuitry. If
you want to perform testing on the interface circuitry or the operational software
detects a problem and displays an error message, use the MicroVAX diagnostic monitor (MDM) diagnostics to test the host interface circuitry of the controller. Refer to
Appendix A for information on MDM diagnostics.

5.2 Troubleshooting
To determine the source of a problem, perform the following:
1. Initiate self-test by turning the system power off and then back on. Self-test
takes approximately 6 seconds. This verifies that the problem with your controller still exists.
2. Refer to Table 5–1 and Table 5–2 to find the LED state your module is currently displaying. Figure 5–1 shows the controller LEDs.

5–1

Table 5–1:

DEC FDDIcontroller/Q-bus FRU LED Displays

FRU LED State

State Description

Correction

ON (RED)

Power up/fail state;
self-testing mode.

Wait for testing to complete
(approx. 6 seconds).

Self-test failure.

Rerun self-test. Also, run
the MDM diagnostic tests.

Bad module.

Contact your Digital services representative.

ON (BLINKING RED)

A problem exists with the Rerun self-test.
controller.
Module broken.

Contact your Digital services representative.

OFF

Power is off.

Turn power on.

ON (GREEN)

Passed self-test. Controller None.
is working correctly.

ON (BLINKING GREEN)

Passed self-test. Waiting for Wait for driver installation or
driver installation or further testing to complete.
testing (MDM).

Table 5–2:

DEC FDDIcontroller/Q-bus PHY LED Displays

PHY LED state

State Description

Correction

OFF

Port not available. Software None.
configuring not complete.

ON (RED)

Broken port or LCT* failure. Run self-test.

ON (GREEN)

Standby; controller is work- None.
ing correctly.

ON (BLINKING RED)

Illegal topology.

ON (BLINKING GREEN)

Connection in progress or Wait for connection.
link available but cannot
make a connection.
Verify cable connections.

Cables not installed correctly.

Port not being used.
* Link Confidence Test

5–2

DEC FDDIcontroller/Q-bus Installation

3. Follow the suggested corrective actions provided in the previous tables.
If you need to perform interface circuitry testing, proceed to Appendix A and
perform the MicroVAX Diagnostics Monitor (MDM) diagnostics.
If your controller appears to be functioning properly but you still have problems, proceed to Section 5.3 and perform general problem solving procedures. Your controller may not be the source of the problem.
Figure 5–1:

DEC FDDIcontroller/Q-bus Controller LED Locations
SAS

DAS

Option label

FRU LED

MIC
connector

MIC A
connector

PHY 1
LED

Optical bypass
jack (shielded
RJ12)

PHY 2
LED
PHY 1

PHY 1

PHY 2

Revision label

MIC B
connector

LKG–7986–92I

Troubleshooting the DEC FDDIcontroller/Q-bus

5–3

5.3 Solving Hardware Problems
The following list provides possible solutions to a number of hardware problems:

•

Be sure that the controller is inserted tightly in its slot and that anything connected to it is connected correctly.

•

Be sure the FDDI controller is installed as close as possible to the system
processor and there are no gaps.

•

Be sure there are no open slots. Each slot should contain either a module or
grant continuity module (that maintains the integrity of request lines).

If the problem persists after trying these suggestions, contact Digital services.

5–4

DEC FDDIcontroller/Q-bus Installation

A
MicroVAX Diagnostic Monitor
(MDM) Diagnostics

This appendix describes the MicroVAX Diagnostic Monitor (MDM)
diagnostics for the DEC FDDIcontroller/Q-bus.

A.1 Introducing the MicroVAX Diagnostic Monitor
MDM is standalone VAX software that you use to configure and check
the integrity of DEC FDDIcontroller/Q-bus module. In particular, it
performs testing beyond the scope of self-test. It verifies the host interface circuitry.

A.2 How MDM Works
MDM verifies that individual devices and complete systems are functioning correctly. If they are not, MDM isolates problems to a failing
field replaceable unit (FRU). The controller’s ROM-based tests verify
its hardware — not its functional operation.
MDM is designed to complement self-test and test the controller’s
interface (bus addressing, registers, interrupts, and direct memory access [DMA]), and help configure the entire system. MDM can initiate
the device’s built-in self-test and report the results.

A–1

MDM can do the following:
1. Initiate self-test
2. Report status of self-test
3. Configure interrupt vector
4. Check all Q-bus registers
5. Perform the DMA operation
A testable device may be either a Digital-supported device that is attached to the system within standard CSR and vector address ranges or
a device that does not comply with Digital-recommended vector addresses but is part of the MDM’s database.

A.3 Performing MDM Testing
Customer service and self-maintenance customers use MDM to perform extensive, customized testing of newly installed or faulty Q-bus
systems. The MDM software designed for the DEC FDDIcontroller/
Q-bus has specific tests and modes to accommodate controller
manufacturing personnel and the end user.
To perform MDM testing, follow the instructions included with the
MDM software.

A.4 MDM Test Strategy
The recommended test strategy for identifying faulty FRUs is as follows:

A–2

•

Check the MDM configuration listing for the correct DEC
FDDIcontroller/Q-bus details.

•

Run the Verify Mode tests (Functional, Exerciser, and Utility) to
check controller functions.

•

Run the Field Service Functional tests if you need detailed
fault-finding to identify a faulty FRU.

DEC FDDIcontroller/Q-bus Installation

A.5 MDM Test Organization
MDM’s diagnostic tests run in two modes:

•

Verify mode

•

Service mode

A.5.1 MDM Verify Mode

Verify Mode tests provide a quick check of device function. These tests
never destroy data and require no user intervention. In some cases,
these restrictions limit the coverage provided by Verify Mode tests.
A.5.2 MDM Service Mode

Service Mode tests are more rigorous than the Verify Mode tests. Some
Service Mode tests destroy data and must be used carefully. They often
require you to modify device hardware. If they do, you are prompted to
perform the setup procedure. The setup procedure involves installing
loopback connectors on communication lines.
When a setup is needed, the diagnostic describes the procedure, then
waits for completion of the set procedure.

A.6 Test Sections
Verify and Service Mode tests and services are divided into three sections according to their purpose, as follows:

•

Functional tests

•

Exerciser tests

•

Utility tests

A.6.1 Functional Tests

Functional tests examine each device as though it existed in a standalone environment. Functional tests obtain complete operational testing
of a device and identify faulty FRUs. Functional tests always indicate
whether a device passed or failed testing and indicates the FRU associated with the failed device.

MDM Diagnostics

A–3

A.6.2 Exerciser Tests

Exerciser tests test each device for interaction with other devices. Several tests are run on all Q22-bus devices at the same time to simulate a
busy system with heavy bus activity. Exerciser tests identify causes of
intermittent system failures.
A.6.3 Utility Test

The utility test allows you to read the MyLongAddress (MLA) network
address.

A.7 MDM Verify Mode Test Specifications
MDM Verify Mode tests are device tests designed for untrained personnel. They prohibit operator intervention during testing, except for
installing loopbacks or cables. Verify Mode tests are listed in
Table A–1.
Table A–1:

MDM Diagnostics Verify Mode Tests

Test

Description of Test

Functional
Test 1

DEFQA DAL bus test

Test 2

DEFQA states test

Test 3

DEFQA Interrupt test

Test 4

DEFQA queues test

Test 5

DEFQA DMA test

Exerciser
Test 1

DEFQA DMA test

Utility
Test 1

Read MLA utility

A.8 MDM Field Service Functional Test
Field service functional tests are designed for operators experienced in
testing and debugging equipment. The operator may be asked to make
minor physical alterations, including mounting an external loopback
connector.

A–4

DEC FDDIcontroller/Q-bus Installation

This diagnostic has one field service test, FIELD_TEST, which uses an
external loopback (Digital part number 12-32005-01) to test the bulkhead loopback connector or the controller-cable-transceiver loop. (Internal loopback is tested in the MODE routines.)
FIELD_TEST TEST1 sends packets (using external loopback mode)
and tests the bulkhead loopback interface logic.

A.9 MDM Field Service Exerciser Test
The exerciser is designed to stress the system, creating a simulation of
normal system operation. By executing several exercisers together, on
the same system, any margins in the system design and operation
should be isolated so that it can be corrected. The exerciser does not
require the operator to modify the system.
EXERCISER TEST performs the setup test that includes testing the internal loopback, testing the internal extended loopback, and testing the
allocation of buffers.

MDM Diagnostics

A–5

B
FDDI Connector Keying
and Optical Bypass Information
This appendix describes DEC FDDIcontroller/Q-bus multimode connectors and the
optical bypass switch requirements.

B.1 FDDI Multimode Connector Keying
The MIC connectors are designed to align the fiber cable properly with the transmit
and receive optics – that is, they are keyed and must be aligned properly. The DEC
FDDIcontroller/Q-bus ships with S-type keys installed. Other types are available
that include MIC A and MIC B for DAS versions (see Figure B–1).
The position of the keyway on the MIC plug determines the type of receptacle to
which it connects. All cable plugs fit into the MIC S receptacle. The other MIC plugs
and receptacles (type A, B, and M) must match for proper installation.
Figure B–1: DEC FDDIcontroller/Q-bus MIC Receptacle Keying
Cable

Module

Connector keying:
MIC A Primary in/secondary out–DAS A port
MIC B Primary out/secondary in–DAS B port
MIC M Concentrator M port
MIC S SAS S port
LKG–5072–90I

B–1

B.2 Changing the Connector Key
The DEC FDDIcontroller/Q-bus ships with a PHY S key installed (SAS and DAS).
Optional PHY A, PHY B, and PHY M keys are included in the shipping package.
The PHY connector key type is clearly marked on the top of each key.
If you want to change a key, refer to Figure B–2 and do the following:
1. Using a screwdriver, release the front edge of the PHY key.
2. Slide the key forward and remove it.
3. Tip the replacement key in place and press down.
Figure B–2: Changing a PHY Port Key

1
2

LKG–6937–92I

B–2

DEC FDDIcontroller/Q-bus Installation

B.3 Optical Bypass Connector
The optical bypass relay feature on the controller maintains FDDI dual ring integrity
if the controller breaks or is powered down. The optical bypass connector is available only on the DAS multimode versions. Figure B–3 shows the bypass connector
and provides a description of the connector pins. Refer to this information when selecting optical bypass devices.
WARNING !
To prevent personal injury or equipment damage, do
not insert telecommunications cabling into the optical
bypass relay connector.
Figure B–3: Optical Bypass Control Signals
Pins
654 321
Modular jack
(Shielded
RJ12)

Description

1,2
3,4,6
5

Relay drive; +5V @ 200 mA (max.)
Return; grounded internally
Bypass present; must be externally
grounded to pin 3,4 or 6
LKG-7996-93I

FDDI Connector Keying and Optical Bypass Information

B–3

C
Specifications
This appendix describes the power and environmental requirements for
the DEC FDDIcontroller/Q-bus controller.

C.1 Power Requirements
Table C–1 defines the power requirements for the controller.
Table C–1: DEC FDDIcontroller/Q-bus Power Requirements
Module

+5 Volts +12 Volts
(in Amps) (in Amps)

Power ac Bus
(Watts) Loads
(units/pf)

DAS

5.6 max.

0.1

33.5

4.2/30

1.5/150

SAS

5.12 max.

0.1

25.2

4.2/30

1.5/150

dc Bus Loads
(units/µamps)

C.2 Environmental Requirements
Table C–2 defines the environmental requirements for the controller.
Table C–2: DEC FDDIcontroller/Q-bus Environmental Requirements
Item

Operating

Nonoperating

Temperature

0° C to 60° C
(32° F to 140° F)

-40° C to 85° C
(-40° F to 185° F)

Relative Humidity

10% to 90%

10% to 95%

Altitude

2.4 km (1.49 miles)

9.1 km (5.65 miles)

C–1

D
Related Documentation

Refer to the following documents for additional information related to the DEC
FDDIcontroller/Q-bus and FDDI:

•

DECconcentrator 500 Installation (Order No. EK-DEFCN-IN)
Explains how to install the DECconcentrator 500 unit and how to check its
installation and operation. Also included are descriptions of the concentrator
controls and indicators and examples of the concentrator installed in a network.

•

Fiber Distributed Data Interface System Level Description
(Order No. EK-DFSLD-SD)
Describes the FDDI system, how it works, and the role of the individual components.

•

Fiber Distributed Data Interface Network Configuration Guidelines
(Order No. EK-DFDDI-CG)
Describes how to configure an FDDI network. Also included are network
configuration examples.

D–1

Index

Commands
SHOW CONFIGURATION, 3–2, 3–3
SYSGEN, 3–2
Configuring the system, 3–3
Connector, FDDI multimode, 4–8
Connector keying, B–1
changing, B–2
Controller models, 1–2
CSR address, 3–4
CSR bits, 3–4

Gap-filler, procedure for installing the,
4–4

D
DEC FDDIcontroller/Q-bus
component locations, 1–2
connectors and LEDs, 1–3
in a network configuration, 1–1

H
Hardware problems, solving, 5–4

I
Installation
preparing the system for, 4–1
procedure for installing the controller,
4–3
verifying the, 4–10
verifying the communcations connection, 4–10

L
LEDs
FRU display and states, 5–2
PHY display and states, 5–2

F
FDDI cable
dressing the, 4–8
procedure for connecting the, 4–6

M
MicroVAX Diagnostic Monitor (MDM),
A–1

Index–1

Related documentation, D–1
Running SYSGEN, 3–2

Shipping package, contents, 2–2
Specifications, C–1
environmental requirements, C–1
power requirements, C–1
Switches
example of setting, 3–5
setting, 3–4
System Configuration, determining the,
3–2

Self-test, running, 5–1

Troubleshooting, basic, 5–1

Optical bypass connector, B–3
Overview, 1–1

Index–2

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