2-14 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide
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The filer has a built-in wide differential SCSI tape interface for connecting an external
tape backup device.
This SCSI tape interface accepts a standard 68-pin SCSI cable with a maximum length
of 17 feet (5 meters).
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To install the tape backup device, refer to the documentation shipped with the tape
device.
To connect the filer to a tape device, perform the following steps:
1. Ensure that the filer is shut down, power is switched off, and the power cords are
disconnected from AC power.
If it is not, execute the halt command, then turn off the power on the power
supply.
If the filer has two power supplies, turn off both power supplies.
2. Set the SCSI ID on the tape backup device
Refer to the documentation for the tape backup device.
3. If you have a robotic loader on the tape backup device, set its SCSI ID also.
4. Turn off the power on the tape backup device.
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5. Connect the SCSI cable to the SCSI connector on the tape device and the built-in
SCSI connector on the filer, labeled SCSI TAPE.
Use the SCSI cable provided with the tape backup device.
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6. Terminate the SCSI bus at the tape backup device.
Use an active SCSI terminator.
For information about terminating the SCSI bus, refer to the documentation for
your tape backup device.