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4. Select the tape drive (DLT0 Bus ID: or DLT1 Bus ID:) or library robotics
(LIB Bus ID:) for which you wish to change the SCSI bus ID. The default
SCSI IDs are as follows:
• Lib Bus ID: 0
• DLT0 Bus ID: 4
• DLT1 Bus ID: 5
Use the up or down arrow button to select the item for which you need
to change the SCSI ID. Press the Enter button.
5. Use the up or down arrow button to scroll through the possible SCSI ID
settings. Press the Enter button when the desired SCSI ID is displayed.
6. Repeat steps 4 and 5 to set other SCSI bus IDs as necessary.
7. Press the Escape button repeatedly until the default menu is displayed.
8.7.2 Cabling the TL891 or TL892 MiniLibraries
There are six 68-pin, high-density SCSI connectors on the back of the TL891.
The two leftmost connectors are for the library robotics controller. The
middle two are for tape drive 1. The two on the right are for tape drive 2 (if
the TL892 upgrade has been installed).
______________________ Note _______________________
The tape drive SCSI connectors are labeled DLT1 (tape drive 1)
and DLT2 (tape drive 2). The control panel designation for the
drives is DLT0 (tape drive 1) and DLT1 (tape drive 2).
The default for the DLT MiniLibrary TL891 is to place the robotics controller
and tape drive 1 on the same SCSI bus. A 0.3-meter SCSI jumper cable is
provided with the unit. Plug this cable into the second connector (from the
left) and the third connector. If the MiniLibrary has been upgraded to two
drives, place the second drive on the same SCSI bus with another 0.3-meter
SCSI bus jumper cable, or place it on its own SCSI bus.
______________________ Note _______________________
To achieve system performance capabilities, we recommend
placing no more than two TZ89 tape drives on a SCSI bus.
The internal cabling of the TL891 and TL892 is too long to
allow external termination with a trilink/H879-AA combination.
Therefore, the TL891 or TL892 must be the last device on the
shared SCSI bus. They may not be removed from the shared
Configuring a Shared SCSI Bus for Tape Drive Use 8–25