OPTICAL SYSTEMS DESIGN
DOC ID: 10100306
OSD151 OPERATOR MANUAL
PAGE 6 OF 12
1.5
PIN ASSIGNMENTS
TABLE 3 identifies the pin assignments of the 25 Pin D Connector on the OSD151.
TABLE 3: PIN ASSIGNMENTS
PIN
NAME
FUNCTION
1
Protective ground pin
Connected to case.
2
Transmit data +
Modem accepts data.
3
Transmit data -
Modem accepts data.
4
Receive data +
Modem outputs data.
5
Receive data -
Modem outputs data.
6
Not used
7
Signal ground
0V ground.
8
Not used
9
Power
+12V DC Power input.
10
Transmit clock -
Modem accepts clock.
11
Transmit clock +
Modem accepts clock.
12
Receive clock +
Modem outputs clock.
13
Receive clock -
Modem outputs clock.
FIGURE 2: D CONNECTOR PINOUT CONFIGURATION
1
13
14
25
