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10 C637M-B (10/03)
STORAGE
RECORDER A
HOST B HOST A
CHANNEL A
SCSI CABLE
STORAGE
RECORDER A
RECORDER B
HOST B HOST A
CHANNEL A
CHANNEL A
SCSI CABLE
SCSI CABLE
Figure 5. One Storage Unit/Two Recorder Configuration
HARDWARE CONNECTIONS
There are five hardware configurations. You can connect one storage unit to one recorder, one storage unit to two recorders,
two storage units to one recorder, three storage units to one recorder, or four storage units to one recorder.
CONNECTING ONE STORAGE UNIT TO ONE RECORDER
1. Connect a SCSI cable from Host A on the storage unit to Channel A on the recorder.
2. Plug the power cords into the units and into a universal power supply (UPS).
3. Turn on the three power supplies on the rear of the storage unit. You can turn them on in any sequence.
4. Turn on the storage unit’s main power.
5. Turn the recorder on.
Figure 4. One Storage Unit/One Recorder Configuration
CONNECTING ONE STORAGE UNIT TO TWO RECORDERS
1. Connect a SCSI cable from Host A on the storage unit to Channel A on Recorder A.
2. Connect a SCSI cable from Host B on the storage unit to Channel A on Recorder B.
3. Plug the power cords into the units and into a universal power supply (UPS).
4. Turn on the three power supplies on the rear of the storage unit. You can turn them on in any sequence.
5. Turn on the storage unit’s main power.
6. Turn the recorders on.