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Table 8–8: Hardware Components Used to Create the Configuration Shown
in Figure 8–10
Callout Number
Description
1
BN38C or BN38D cable
a
2
BN37A cable
b
3
H8861-AA VHDCI trilink connector
4
H8863-AA VHDCI terminator
5
BN21W-0B Y cable
6
H879-AA terminator
7
328215-00X, BN21K, or BN21L cable
c
a
The maximum length of the BN38C (or BN38D) cable on one SCSI bus segment must not exceed 25 meters.
b
The maximum length of the BN37A cable must not exceed 25 meters.
c
The maximum combined length of these cables must not exceed 25 meters.
8.8.2.2 Configuring a Base Module as a Slave
The TL891/TL892 base modules are shipped configured as standalone
systems. When they are used in conjunction with the TL890 DLT
MiniLibrary expansion unit, the expansion unit must control the robotics of
each of the base modules. Therefore, the base modules must be configured
as a slave to the expansion unit.
After the hardware and cables are installed, but before you power up
the expansion unit in a MiniLibrary system for the first time, you must
reconfigure each of the base modules in the system as a slave. The expansion
unit will not have control over the base module robotics when you power up
the MiniLibrary system if you do not reconfigure the base modules as a slave.
To reconfigure a TL891/TL892 base module as a slave to the TL890 DLT
MiniLibrary expansion unit, perform the following procedure on each base
module in the system:
1. Turn on the power switch on the TL891/TL892 base module to be
reconfigured.
____________________ Note _____________________
Do not power on the expansion unit. Leave it powered off
until all base modules have been reconfigured as slaves.
Configuring a Shared SCSI Bus for Tape Drive Use 8–33