Seagate STU62001LW-S Installation Manual page 23

Viper 200 Installation Manual
Figure 12. Rear view of the Viper 200 FC internal drive
showing fibre channel optical connectors
Pin and signal descriptions for the Serial Interface connector
are shown in the table below. These pins are on 2-mm
centers.
Pin 1 is used by the drive to detect the presence of a tape
library. The serial interface cable must connect this pin to the
adjacent pin 3.
Pin number
1
2
3
4
5
6
7
8
9 through 18
Connecting a Power Cable
Attach a standard four-pin 5-volt / 12-volt power cable to the
power connector on the top of the extension on the back of
the drive. Figure 13 shows the location of the power
connector.
B A
Description
Library detect (cable should connect pin 1 to pin 3)
Lib TXn (output from drive, transmit negative)
GND
Lib TXp (output from drive, transmit positive)
GND
Lib RXn (input to drive, receive negative)
GND
Lib RXp (input to drive, receive positive)
Reserved (do not use)
Serial Interface connector
pin numbers
17 15 13 11 9 7
18 16 14 12 10 8
(Pin 17 removed to prevent
connector from being attached incorrectly)
21
5 3 1
Pin
Numbers
6 4 2