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Viper 200 Installation Manual
SCSI Termination
The Viper 200 internal drive does not provide SCSI
termination. You must place a SCSI bus terminator or a SCSI
device with termination enabled at the end of a SCSI chain.
Two examples of SCSI termination are shown in Figure 5.
The Viper 200 does provide terminator power if a jumper is
placed on the termination power jumper, as shown in Figure
1 on page 10.
SCSI Terminator
SCSI device
(termination
disabled)
SCSI Controller
(termination enabled)
Figure 5. Two possible SCSI termination examples for
internal Viper 200.
Connecting a Serial Interface Cable (for tape libraries)
The Viper 200 drive includes an RS-422 serial interface for
tape libraries. The RS-422 serial interface connector is on the
lower left side of the back of the drive, as shown in Figure 4
on the previous page. The pin descriptions for the Serial
Interface connector are shown in the table on the following
page. These pins are on 2-mm centers.
Tape drive
(no
termination)
SCSI device
(termination
enabled)
Tape drive
(no
termination)
SCSI Controller
(termination enabled)
13
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