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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 and there are sufficient SCSI IDs available. Ensure
that the tape drive on the end of the bus is terminated with an H8574-A or
H8890-AA terminator.
You can add additional shared SCSI buses with TZ887 tape drives by adding
additional DWZZB-AA/TZ887 combinations.
______________________ Note _______________________
Ensure that there is no conflict with tape drive, host bus adapter,
and disk SCSI IDs.
Figure 8–8: Cabling a Shared SCSI Bus with a TZ887
DWZZB-VW,
trilink connector,
and H879-AA terminator
DWZZB-VW
and trilink connector
Trilink
connector
and
H879-AA
terminator
AlphaServer 2100A
T
BA356
DWZZB-AA
TZ887
AlphaServer 2100A
BA356
adapters
T
Memory
Channel
ZK-1462U-AI
Memory Channel link cable
H8574-A
terminator
BN21K or BN21L cables
BN21K
or
BN21L
cable
T
BN21M
1
2
3
4
1
2
3
4
55
KZPSA adapter,
trilink connector,
and H879 terminator
+
-
0
T
T
Configuring a Shared SCSI Bus for Tape Drive Use 8–17