DEC BA42 DSSI Manuale utente
BA42 DSSI Expander Installation
Manual
Order Number: EK–BA42C–IN. A01
December 1992
Digital Equipment Corporation
Maynard, Massachusetts
First Printing, December 1992
© Digital Equipment Corporation 1992.
All Rights Reserved.
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.
Any software described in this document is furnished under a license and may be used or copied
only in accordance with the terms of such license. No responsibility is assumed for the use or
reliability of software or equipment that is not supplied by Digital Equipment Corporation or its
affiliated companies.
MicroVAX, VAX, VAX 4000, VAXserver, and the Digital logo are trademarks of Digital Equipment
Corporation.
All other trademarks and registered trademarks are the property of their respective holders.
FCC NOTICE: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is operated in
a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference, in which case users will be required to correct the
interference at their own expense.
Printed in U.S.A.
S2147
Contents
Preface ..................................................... vii
1 Installing the BA42 DSSI Storage Expander
1.1 CheckingtheShipment ................................ 1–1
1.2 SettingUptheExpander............................... 1–3
1.3 Determining Which DSSI ID Numbers Are Available . . . . . . . . . 1–4
1.4 Setting DSSI ID Switches for Hard Disk Drives . . . . . . . . . . . . . 1–5
1.4.1 Remove the DSSI ID Switch Cover from the Expander . . . . . 1–5
1.4.2 Check the DSSI ID Switch Setting on the Expander . . . . . . . 1–6
1.4.3 Change the DSSI ID Switch Settings if Necessary . . . . . . . . . 1–7
1.5 DriveIndicatorPanel.................................. 1–8
1.6 InstallinganExpander ................................ 1–9
1.6.1 TurnPowerOff ................................... 1–10
1.6.2 Remove the Terminator from the DSSI Connector on the
SystemUnit...................................... 1–10
1.6.3 Connect the DSSI Cable to the System Unit . . . . . . . . . . . . . 1–11
1.6.4 Connect the DSSI Cable to the Expander . . . . . . . . . . . . . . . 1–12
1.6.5 Connect the Terminator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–13
1.6.6 Connect the Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–13
1.7 Connecting One Expander to Another Expander . . . . . . . . . . . . . 1–14
1.7.1 TurnPowerOff ................................... 1–14
1.7.2 Remove the Terminator from the Expander Box . . . . . . . . . . 1–15
1.7.3 Connect the DSSI Expander Cable and Terminator . . . . . . . . 1–15
1.7.4 Connect the Power Cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–16
1.8 Verifying the System Configuration . . . . . . . . . . . . . . . . . . . . . . . 1–18
1.8.1 TurnPowerOn ................................... 1–18
1.8.2 Check the Configuration Display . . . . . . . . . . . . . . . . . . . . . . 1–18
iii
2 Installing a BA42 Storage Expander Upgrade
2.1 CheckingtheShipment ................................ 2–1
2.2 Preparing the Expander Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
2.2.1 TurnPowerOff ................................... 2–2
2.2.2 Remove the Cover from the Expander Box . . . . . . . . . . . . . . . 2–2
2.3 Installing an RF3x-EK Hard Disk Drive . . . . . . . . . . . . . . . . . . . 2–3
2.3.1 Attach the Drive Bracket and Shock Isolator Rubber Feet. . 2–4
2.3.2 Determine the Drive Location . . . . . . . . . . . . . . . . . . . . . . . . 2–5
2.3.3 Connect the 50-Pin DSSI Cable . . . . . . . . . . . . . . . . . . . . . . . 2–5
2.3.4 Connect the 5-Pin Power Cable . . . . . . . . . . . . . . . . . . . . . . . 2–8
2.3.5 Connect the 12-Pin RFP Cable . . . . . . . . . . . . . . . . . . . . . . . . 2–11
2.3.6 Install the Drive in the Expander Box . . . . . . . . . . . . . . . . . . 2–13
2.3.7 Replace the Cover on the Expander Box . . . . . . . . . . . . . . . . 2–14
2.4 DSSIIDSwitchSettings ............................... 2–15
Figures
1–1 Parts of a BA42 DSSI Expander Box Shipment . . . . . . . . . . . 1–2
1–2 On/Off Switch in the Off Position . . . . . . . . . . . . . . . . . . . . . . 1–4
1–3 Removing the DSSI ID Switch Cover from the Expander . . . 1–6
1–4 LED Indicators and DSSI ID Switches for Hard Disk
Drives .......................................... 1–7
1–5 Drive Indicator Panel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . 1–9
1–6 Removing the DSSI Terminator from the System Unit . . . . . 1–10
1–7 Connecting a DSSI Cable to the System Unit . . . . . . . . . . . . 1–11
1–8 Connecting a DSSI Cable to the Expander . . . . . . . . . . . . . . . 1–12
1–9 Connecting a Terminator to the Expander . . . . . . . . . . . . . . . 1–13
1–10 Connecting a Power Cord to an Expander . . . . . . . . . . . . . . . 1–14
1–11 Removing a Terminator from an Expander . . . . . . . . . . . . . . 1–15
1–12 Connecting the Three-Foot DSSI Cable and Terminator to
theFinalExpander ................................ 1–16
1–13 Connecting Power Cords to Expander Boxes . . . . . . . . . . . . . 1–17
2–1 Removing the Cover from the Expander Box . . . . . . . . . . . . . 2–3
2–2 DriveBracket..................................... 2–4
2–3 Drive Locations Inside the BA42 Expander Box . . . . . . . . . . 2–5
2–4 Connecting 50-Pin DSSI Signal Cable . . . . . . . . . . . . . . . . . . 2–6
2–5 50-Pin DSSI Signal Cable in the Expander Box . . . . . . . . . . . 2–7
2–6 Connecting the 5-Pin Power Cable . . . . . . . . . . . . . . . . . . . . . 2–8
2–7 Power Cables for Drives 1 and 4 in the Expander Box . . . . . 2–9
iv
2–8 Power Cables for Drives 2 and 3 in the Expander Box . . . . . 2–10
2–9 Connecting the RFP Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–11
2–10 RFP Cables in the Expander Box . . . . . . . . . . . . . . . . . . . . . . 2–12
2–11 Inserting an RF3x-EK Hard Disk Drive in the Expander
Box............................................. 2–13
2–12 Fastening an RF3x-EK Hard Disk Drive in the Expander
Box............................................. 2–14
2–13 Replacing the Cover on the BA42 Expander . . . . . . . . . . . . . 2–15
Tables
1–1 DSSI ID Numbers and Switch Settings for Hard Disk Drives
intheExpanderBox ............................... 1–8
v
Preface
Use this guide to install one or more BA42 DSSI expanders, to add a drive to a
BA42 DSSI expander, and to verify that DSSI switches have been set correctly
for each drive in a BA42 DSSI expander.
This guide describes the following:
• How to install one or more expanders
• How to install new drives inside BA42 DSSI expanders
• How to make sure the drives inside a BA42 DSSI expander are recognized
by the system and what to do if they are not
vii
1
Installing the BA42 DSSI Storage Expander
This chapter covers the following topics:
• Checking the shipment to make sure nothing is broken or missing
• Setting up a BA42 DSSI expander
• Selecting DSSI ID numbers and setting the DSSI ID switches for
Digital-supplied hard disk drives installed in the BA42 expander
• Attaching the expander to the system unit
• Attaching one expander to another expander
• Ensuring that the system recognizes the drive or drives inside the
expander
1.1 Checking the Shipment
When you unpack the carton that contains a BA42 DSSI expansion box, you
will find all of the items shown in Figure 1–1.
Installing the BA42 DSSI Storage Expander 1–1
Installing the BA42 DSSI Storage Expander
1.1 Checking the Shipment
Figure 1–1 Parts of a BA42 DSSI Expander Box Shipment
MLO-009778
1 2
6
4
5
3
Documentation
DSSI expander box
Rubber drive shipping bracket supports (up to three)
DSSI terminator
DSSI cable
Power cord (In Europe the power cord may not be included; it is an optional
item which may be ordered from a menu.)
1–2 Installing the BA42 DSSI Storage Expander
Indice
