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EK-RQDXE-UG-002

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Document:	RQDXE Expander Module User's Guide
Order Number:	EK-RQDXE-UG
Revision:	002
Pages:	16
Original Filename:

OCR Text

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EK-RQDXE-UG-002

aesae BaGe CaBa aea e a a

User's Guide

Prepared by Educational Services
of Digital Equipment Corporation

1st Edition, November 1985
2nd Edition, March 1986

The material in this manual is for informational purposes only and is subject to
change without notice.
Digital Equipment Corporation assumes no responsibility for any errors that may
appear in this manual.

FCC Notice: 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 a commercial

environment. Operation of this equipment in a residential area may cause
interference in which case, the user, at his own expense, may be required to take
measures to correct the interference.

Printed in U.S.A.
The manuscript for this book was created on a VAX-11/780 system and, via a
translation program, was automatically typeset by Digital’s DECset Integrated

Publishing System. The book was produced by Educational Services Development

and Publishing in Marlboro, MA.

The following are trademarks of Digital Equipment Corporation:
PDP

DECmate

P/OS
Professional

UNIBUS
VAX

DECUS

Rainbow

VMS

DECwriter

RSTS

RSX

Work Processor

DIBOL
MASSBUS

RQDXE-FA Option
Module Specifications
Jumper Configurations

=
W DN

RQDXE-AA Option

Cabling Options

Description

Contents

QO DN

RQDXE-FA Option

RQDXE Jumper Settings for a BA23-C Expansion Box

00 =3 v

RQDXE Factory Jumper Configuration

RQDXE-AA Option

Figures

RQDXE Jumper Settings for a BA23-A CPU Box

DXE Expander M

DESCRIPTION

This guide shows you how to install and configure the RQDXE dual-height
expander module. The RQDXE (Digital part number M7513) is a replacement for
the RQDX1-E extender module (Digital part number M7512).

The RQDXE lets you expand the RQDXn (RQDX1, RQDX2 and RQDX3) controller
modules to support external drives (RD5n and RX50). The RQDXE carries RQDXn
controller signals to external MSCP (mass storage control protocol) devices.

TR,

-1

The enhanced features of the RQDXE allow support of up to four logical units.
You should install the RQDXE, dual-height module in a backplane slot directly
below or next to the RQDXn.
CABLING OPTIONS

There are two cabling options available to connect RQDXE modules with RQDXn
controller modules and disk drives.

RQDXE-AA

RQDXE-FA

RQDXE Expander Module

RQDXE-AA Option

The RQDXE-AA option includes the following parts.

e RQDXE module
e

BC02D-01 cable

(able assembly 17-01223-01 or 70-20691-01

Figure 1 shows the RQDXE-AA option. Cable assembly 17-01223-01 or 70-20691-01
has a mounting plate to connect the RQDXE and the I/0 distribution panel on the
BA23-A CPU box. The I/0 distribution panel connects to a desktop or rackmount
expansion box via an external cable. Cable BC02D-01 comes with the RQDXE and
connects the RQDXE to the applicable RQDXn controller.

FRONT PANEL

BCO2D-01

RQDX3

MQUNTING

PLATE"

RD53

SHELF A

|
CABLE

ASSY
17-01223-01

<«—— BC02D-1D

OR 70-20691-01

(M7513)

Figure 1

* MOUNTING PLATE INSTALLED IN REAR

/0 DISTRIBUTION PANEL

RQDXE-AA Option

RQDXE Expander Module

RQDXE-FA Option

The RQDXE-FA option includes the following parts.
¢

RQDXE module

BC02D-01 cable

BC02D-04 cable

Figure 2 shows the RQDXE-FA option. Cable BC02D-01 connects the
RQDXE to the RQDXn controller. Cable BC02D-04 connects the RQDXE to the
distribution panel on the BA23-C expansion box.
NOTE
Figures 1 and 2 use the RQDX3 as a typical example. You can also
use the RQDX1 or the RQDX2 with the RGDXE.

RQDXE Expander Module

BAZ23-A
.

_—_—fi*{‘

DISTRIBUTION

FRONT PANEL

PANEL

BCO2D-01

PORT 1

RX50

RQDX3

[

PORT 0

— N\ X

BCO2D-1D___

&
N

)

2
=,
BA23-C

DISTRIBUTION

PANEL

R
FRONT PANEL

PORT 1 (BLANK)

N
PORT O

111517

RD5n

BC02D-04

MR 16699

Figure 2

RQDZXE-FA Option

RQDXE Expander Module

MODULE SPECIFICATIONS
Dimensions

(

Height

22.8 cm (8.9 in)

Length

13.34 cm (5.25 in)

1.27 cm (0.5 in)

Power Consumption
Typical
Maximum

+5 Vdc +5% @ 0.80 Amps

+5 Vdc £5% @ 0.90 Amps

A
!.4',‘
\\‘

Operating Requirements
Operating temperature

0° to 60°C

mounted in cabinet

(32° to 140°F)

Maximum outlet
Temperature

5°C above 60°C
(9°F above 140°F)

Relative humidity

10 to 90% noncondensing

- Storage Requirements
Ambient temperature

—40° to +65°C
(—40° to 149°F)

Relative humidity

10 to 90% noncondensing

Maximum altitude

9.1 km (50,000 feet)

Bus Loads
DC

1 unit load

0 unit load

RQDXE Expander Module

JUMPER CONFIGURATIONS

Figures 3, 4 and 5 show RQDXE jumper settings for different systems. Figure 3 is
for a BA23-A CPU box. Figure 4 is for a BA23-C expansion box. Figure 5 is for an
RD5n-D/-R or RXnn-D/-R mass storage tabletop or rackmount enclosures. These

figures show the most common configurations. Figure 6 shows the RQDXE factory
jumper configuration and the layout of the points to jump.

Figures 3 and 4 together show jumper settings required to support
BA23-A/BA23-C configurations.
Figures 3 and 5 together show jumper settings required to support
BA23-A/RD5n-D/-R or RXnn-D/-R configurations.
CPU and Expansion Box Terms
Figures 3 and 4 use the following terms to describe the CPU box (BA23-A) and
expansion box (BA23-C).

Ports 0 and 1 identify the location of the drivés in the BA23-A and BA23-C boxes.
CPU BOX (BA23-A

PORT

AND BA23-C)

PORT
1

FRONT
PANEL

MR-167568

CPU box simply refers to the box in which the RQDXn controller resides.
The same terms apply to systems with disks in desktop or rackmount enclosures
(external drives). In a desktop or rackmount enclosure, connector J1 is port 0 and

J2 1s port 1 (see below).
RDO, RD1, RD2 or RD3 designate the RD5n hard disks.

RQDXE Expander Module

PORT 0

]

——
C

]

—

J2 o___Jo

(

fimmfix

PORT 1

Nmomd

OUTPUT TO NEXT
RD5n-D/-R

To configure the RQDXE to meet your system requirements, do the following:
e Fora CPU box (BA23-A)
:

Install jumpers as shown in Figure 3. Use the column (A through C) that
applies to your system. Pick column B if you have an RDO in port 0 and an RX50

in port 1 of the CPU box, as shown in Figure 1.

o For an expansion box (BA23-C)
Install jumpers as shown in Figure 4. Use the column (A through C) that applies
to your system. Pick column A if you have an RD1 in port 0 of the BA23-C, as

shown in Figure 2.
®

For mass-storage tabletop enclosures (RD5n-D/-R or RXnn-D/-R)

Install jumpers as shown in Figure 5.
NOTES
¢

RDO must be in port 0 in the BA23-A box.

PORT 0 RD (drive select setting) must be 3.

RX selects should be 1-2 for the first RX50

(factory configuration).
e

The RQDXE occupies one dual Q-Bus slot in the backplane.

RQDXn can be an RQDX1, RGDX2 or RQDX3.

RQDXE Expander Module

—

PORT | RDO

RX50

[@—e] | [—@)

N4|

P2 | O

PORT

SEL

—e

N2|

INT

—e

| RDIT

[—e

PORT

NOTES
~

RDO MUST BE IN PORT O IN THE BA23-A CPU BOX

“O"ISAPIN: =" OR"” |

1S A JUMPER.

NO TWO RD5n DISK DRIVES SHOULD ATTEMPT TO MAP
THE SAME LUN (CPU OR EXPANSION BOX) OR RESIDE IN
THE SAME BA23 BOX.

COLUMN

REPRESENTS

FACTORY

JUMPER

CONFIGURATIONS.

AND

INDICATE JUMPERS INSTALLED.

MR-0286-0292

Figure 3

RQDXE Jumper Settings for a BA23-A

CPU Box

RQDXE Expander Module

PORT | RD1

RD2

PORT

|RDT

RD2

RX50

.
| X

A3
RDY

AND

|B1

WRT

",}'1”""’

szfi‘f’%

PROT|B3

0|00

C2|00|00J0O0

@®
Cc4 |0 ofo o|

D2{0O O[O0 O|OO0O

D4|0 0|0
0| &8

E2 [EO@OK

E4 |0 Olo @] olall

DRV

SEL

H3
DRV

(K1

ACK

PORT

SEL

NOTE:
COLUMN A REPRESENTS

THE FACTORY CONFIGURATION.
MR-0286-0291

Figure 4

RQDXE Jumper Settings for a BA23-C
Expansion Box

RQDXE Expander Module

PORT | RD1
0 | RX50
J2

PORT | RD

X | X | X | X
:
:
:

|RD2

-]
x

A2Ioooooo

A4lelolé|o

RDY

[B1

[@o|@

PROT|B3

|@|0O @ O

ooo

C4 |0 O|lé| o|e—e [@-8]

D2 oomooooo

AND
WRT

D4|0

E?2 |[@-ele—e o

E4 |0 0|0

DRV 1e1

0|/6/0|0-0|e-e

O|@l@|o

F2 @mooo

oloo
H1

DRV

|K1

ACK

|K3

H2 OOEE]E

EX |L3
PORT

SEL

|M1

MR-0286-0290

Figure 5

RQDXE Jumper Settings for RD5n-D/-R or
RXnn-D/-R Add-On Drives

RQDXE Expander Module

RDY/WRT PROT

A1l
A3
B1
B3
Ct
C3
D1
D3

O
O
o
O

o
O
O
O
O
O
o
O

A2
A4
B2
B4
C2
C4
D2
D4

L]
TO BA23

J3 EXTERNAL

H1 O O H2

H3[@—@]| H4

TO EXTERNAL
ELGLIN

DRV ACK

K2
K4

K1 O
K3 O

EX PORT SEL

|_3

M1°O

INT PORT SEL'

N2
N4

N1
N3
P1

J2 INPUT

J2
TO RQDX3

MR-15969

Figure 6

RQDXE Factory Jumper Configuraton