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Figure 8–10: TL890 and TL892 DLT MiniLibraries on Shared SCSI Buses
TL892
TL892
TL890
Library
Robotics
DLT1
Expansion Modules
Robotics
Control
cables
Diag
DLT2
Library
Robotics
DLT1
DLT2
H879-AA
terminator
H879-AA
terminator
Expansion
Unit
Interface
Motor
SCSI
DWZZA-VA,
trilink connector,
and H879 terminator
T
BA350 BA350
adapters
T
Memory
Channel
BN21K or BN21L cables
T T
1
2
3
4
5
1
2
3
4
5
AlphaServer 2100As
T
T
T
ZK-1398U-AI
0.3M
SCSI Bus
jumper
H879-AA
terminator
Memory Channel link cable
BN21K or BN21L cables
NOTE: This drawing is not to scale.
8.7.2.2 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
8–26 Configuring a Shared SCSI Bus for Tape Drive Use