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for use on a shared SCSI bus. The TZ885 in this figure has had the SCSI
ID set to 0 (zero). To configure the shared SCSI bus for use with a TZ885,
follow these steps:
1. You will need one DWZZA-AA or DWZZB-AA for each TZ885 tape drive.
Ensure that the DWZZA jumper J2 or DWZZB jumpers W1 and W2 are
installed to enable the single-ended termination.
Remove the termination from the differential end by removing the five
14-pin SIP resistors.
2. Attach a trilink connector to the differential end of the DWZZA or
DWZZB.
3. Connect the single-ended end of a DWZZA to the TZ885 with a BC19J
cable.
Connect the single-ended end of a DWZZB to the TZ885 with a BN21M
cable.
4. Install an H8574-A or H8890-AA terminator on the other TZ885 SCSI
connector.
5. Connect a trilink or Y cable to the differential shared SCSI bus with
BN21K or BN21L cables. Ensure that the trilink or Y cable at the end
of the bus is terminated with an H879-AA terminator.
The single-ended SCSI bus may be daisy chained from one single-ended
tape drive to another with BC19J cables as long as the SCSI bus maximum
length is not exceeded. Ensure that the tape drive on the end of the bus is
terminated with a H8574-A or H8890-AA terminator.
You can add additional TZ885 tape drives to the differential shared SCSI
bus by adding additional DWZZA or DWZZB/TZ885 combinations.
______________________ Note _______________________
Ensure that there is no conflict with tape drive, system, and disk
SCSI IDs.
8–14 Configuring a Shared SCSI Bus for Tape Drive Use