Quantum Tape Drive LTO-3 - Manual (Page 30)

Chapter 2 Installation
Installing an Internal LTO-3 Tape Drive
16 LTO-3 Tape Drive User’s Guide
Figure 8 Two SCSI
Termination Examples
for the Internal LTO-3
Tape Drive
Connecting a
Serial Cable for
Tape Libraries
2
The internal LTO-3 Tape Drive includes an RS-422 serial interface for tape
libraries. This connector is an in-line shrouded and keyed 10-pin 2 mm
connector. It is located on the lower left side of the back of the drive (see
figure 7 ). Table 2 shows the pin descriptions for the serial interface
connector.
Table 2 Serial
Interface Connector
Pin Assignments
(LTO-3)
Pin Number Description Pin Number Description
1
+Tx
a
- Rx
d 6
Sense
d
2
-Tx
a
- Rx
d 7
Sense
a
3
Ground
8
Reset
a
4
-Tx
d
- Rx
a 9
Signal
aux
5
+Tx
d
- Rx
a 10
Sense
aux
SCSI Controller
(termination enabled)
Tape drive
SCSI device
SCSI device
(termination
enabled)
(termination
disabled)
(no
termination)
SCSI Terminator
SCSI Controller
(termination enabled)
Tape drive
(no
termination)