Digital Equipment SA100 User manual

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dt
SA100 Storage Subsystem
Installation and User’s Guide
EK–SA100–IM–001
Digital Equipment Corporation

First Edition, November 1991
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 © Digital Equipment Corporation 1991
All Rights Reserved.
Printed in U.S.A.
FCC NOTICE: The equipment described in this manual 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 the user at his own expense may
be required to take measures to correct the interference.
The following are trademarks of Digital Equipment Corporation: HSC, SA, STI, VAX,
VMS, and the DIGITAL logo.

Contents
Preface v
1 User Information
1.1 Specifications ..................................... 1–3
1.2 Related Documentation ............................. 1–4
2 Physical Installation
2.1 Site Planning ..................................... 2–1
2.1.1 Space Requirements .............................. 2–1
2.1.2 Power Requirements ............................. 2–1
2.1.3 Environmental Requirements ...................... 2–1
2.1.4 STI Interconnect Cabling . . . ....................... 2–2
2.1.5 STI Cables ..................................... 2–2
3 Configuration
3.1 Controls and Indicators ............................. 3–1
4 Acceptance Testing
4.1 Diagnostics....................................... 4–1
Figures
1–1 SA100 Storage Subsystem ........................... 1–2
2–1 SA100 Rear View . . . ............................... 2–3
3–1 SA100 Controls and Indicators ....................... 3–3
iii

iv Contents
Tables
1–1 Specifications ..................................... 1–3
1–2 Related Documentation ............................. 1–4
2–1 STI Interconnect Cables ............................. 2–2
3–1 SA100 Controls and Indicators ....................... 3–2

Preface
This guide consists of four chapters that provide the following information
about the SA100 storage subsystem:
• User information
• Physical installation
• Configuration
• Acceptance testing
v

1
UserInformation
The SA100 storage subsystem does not require any special site
preparation, and can be added to any installation that uses conventional
ac power.
The SA100 storage subsystem consists of two compartments: the upper
compartment contains one factory installed magazine tape subsystem; the
lower compartment contains the SCSI/STI adapter assembly.
1–1

1–2 User Information
Figure 1–1 SA100 Storage Subsystem
SHR-X0177_91-DG
See the Tx857 Series Magazine Tape Subsystem Owner’s Manual for
information on the magazine tape subsystem.

User Information 1–3
1.1 Specifications
The following table lists the specifications of the SA100 storage
subsystem:
Table 1–1 Specifications
Characteristic SA100 Storage Subsystem
Data backup capacity 18.2 Gbytes
Performance 800 KBytes/s sustained data rate
Power requirements 100 to 120/220 to 240 Vac (50/60 Hz)
Weight 86.184 kg (190 lb)
Height 71.12 cm (28 in)
Width 43.18 cm (17 in)
Length 86.36 cm (34 in)
Communications
interface STI bus
Environmental
standard (operating) 10 to 40°C 20 to 80% RH
Environmental
standard (nonoperating) –40 to 66°C
10 to 90% RH
EMI certification Meets applicable FCC standards for Class A devices
Safety certification Meets UL, CSA, and IEC standards
Power consumption 285 W

1–4 User Information
1.2 Related Documentation
The following documentation can be used to supplement this guide:
Table 1–2 Related Documentation
Title Order Number
Tx857 Series Magazine Tape Subsystem Owner’s
Manual EK–TF857–OM

2
PhysicalInstallation
2.1 Site Planning
Follow the requirements specified in this section to prepare a site for the
SA100.
2.1.1 Space Requirements
Leave enough space to remove the magazine tape subsystem from the
front of the cabinet. Also leave enough space to remove the SCSI/STI
adapter assembly from the rear of the cabinet (about 1 meter).
2.1.2 Power Requirements
The subsystem can operate from 100 to 120 Vac at 60 Hz, or from 220 to
240 Vac at 50 Hz.
2.1.3 Environmental Requirements
The SA100 conforms to a modified class A environment (general offices
and workstations). When the SA100 is operating, the temperature should
range from 10 to 40°C with relative humidity of 20 to 80% noncondensing.
When the SA100 is not operating, the temperature should range from –40
to 66°C with relative humidity of 10 to 90%.
2–1

2–2 Physical Installation
2.1.4 STI Interconnect Cabling
1. Connect the STI cable(s) to the rear of the SA100 chassis. They are
held in place with two captive screws per cable. See Figure 2–1,
SA100 Rear View
2. Connect the HSC cable(s) to the K.SI module. K.STI modules do
not support the SA100 storage subsystem.
3. Assign a unique unit number to the magazine tape subsystem. The
unit number is a decimal number between 0 and 255. To assign the
unit number, use the pushbuttons on the side of the unit number
switch to increment or decrement the number.
Transport numbers are always assigned in groups of four to each
formatter. Transports are assigned unit numbers of 0 to 3 for the first
formatter. On a system with two or more formatters, transports are
assigned unit numbers of 4 to 7 on the second formatter, 8 to 11 on
the third formatter, and so on.
4. Place a decal identifying the transport unit number on the magazine
tape subsystem just below the loader fault indicator.
2.1.5 STI Cables
The SA100 storage subsystem will contain one 25 foot STI cable. For
dual applications, a second cable is required. Following is a list of part
numbers and length of cables that can be connected to a SA100 storage
subsystem:
Table 2–1 STI Interconnect Cables
Part Number Length
BC26V–03 0.914 m (3 ft)
BC26V–06 1.828 m (6 ft)
BC26V–12 3.657 m (12 ft)
BC26V–25 7.62 m (25 ft)
BC26V–50 15.519 m (50 ft)
BC26V–6D 1.93 m (6 ft 4 in)
BC26V–7L 2.387 m (7 ft 10 in)
BC26V–80 24.663 m (80 ft)

Physical Installation 2–3
Figure 2–1 SA100 Rear View
SCSI
BUS
A PORT
B PORT
SHR-X0172_91-DG
(STI
CABLE)

3
Configuration
3.1 Controls and Indicators
The port select, fault, ready, and unit number indicators and switches are
on the SCSI/STI adapter module. See Table 3–1 and Figure 3–1.
3–1

3–2 Configuration
Table 3–1 SA100 Controls and Indicators
Control/Indicator Function/State
PORT SELECT A In the enable (in) position, PORT SELECT
A allows the HSC to access port A. Under
microprogram control, the HSC can then cause
port A to go on-line.
Placing PORT SELECT A in the disable (out)
position with port A on-line causes serious errors
at the HSC.
PORT SELECT A lights when port A is on-line
(ready to receive any command or data).
PORT SELECT B The definition of PORT SELECT B for port B is
the same as the definition of PORT SELECT A
for port A.
FAULT The fault indicator lights when a potentially fatal
error has been detected in the formatter. Even
though an error has occurred, the formatter still
attempts to communicate with the HSC.
With a fatal error present, press the FAULT
switch to clear the error.
Ready The ready indicator lights after the SCSI/STI
adapter successfully completed its power-on
self-tests.
UNIT NUMBER DSA unit number.
TZ857 See the Tx857 Series Magazine Tape Subsystem
Owner’s Manual.

Configuration 3–3
Figure 3–1 SA100 Controls and Indicators
INDICATOR
FAULT
B PORT
A PORT
UNIT
NUMBER
SHR-X0170_91-DG

4
AcceptanceTesting
See the Tx857 Series Magazine Tape Subsystem Owner’s Manual
for information on power-on self-test (POST) for the magazine tape
subsystem.
4.1 Diagnostics
There are two SA100 subsystem diagnostics, ILTAPE and ILEXER:
•In-Line Tape Diagnostic (ILTAPE) — A canned sequence
diagnostic that tests the SA100 functions by using the basic tape
commands.
•In-Line Exerciser (ILEXER) — This diagnostic exercises from 1 to
10 units in any combination of disk and drives connected to an HSC.
Logic is tested by writing and reading predetermined data patterns
and recording modes.
ILTAPE and ILEXER are run from the HSC ASCII port. See the
appropriate HSC user documentation for more information.
Perform the following procedure to test the SA100:
1. Run ILTAPE for three passes. No errors are allowed. (When both
STI ports are used, run ILTAPE through the second port for one pass
also.)
2. Run ILEXER for 15 minutes. (When both STI ports are used, run
ILEXER through the second port for 15 minutes also.)
4–1