User`s guide
Chapter 3 Installing External Tape Drives
Connecting a Power Cable
38 DDS-4/DAT 72 User’s Guide
Figure 12 Two SCSI
Termination Examples
for the External Tape
Drives
Connecting a Power Cable 3
To connect a power cable to the external tape drive:
1 Connect a power cable to the AC power connector on the back of the
external tape drive (see figure 11
).
2 Connect the other end of the power cable to a working AC outlet.
Note: Choose an AC outlet that is not controlled by a wall switch,
which can turn off power to the AC outlet and to the external
tape drive.
External
tape drive
SCSI controller
(termination enabled)
External
SCSI device
External
tape drive
SCSI terminators
SCSI controller
(termination disabled)
Internal
SCSI device
(termination
enabled)
Example 1: SCSI termination
in a system that has only
external SCSI devices.
External
SCSI device
Example 2: SCSI termination
in a system that has both
internal and external SCSI
devices.