GE A8950CC - Manual (Page 12)

TABLE 9: RS-485 4-WIRE INTERFACE
DATA SELECT Switch SW1:
Position 9 = standard offset
Position A = 1V offset
Position B = 2V offset
Signal Pin
1
4
6
7
8
5
3
2
TABLE 10: SENSORNET INTERFACE
DATA SELECT Switch: Position 6
Signal Pin
1
4
6
7
8
5
3
2
TABLE 11: TEST MODE LOOPBACK INTERFACE
DATA SELECT Switch: Position F
Signal Pin
1
4
6
7
8
5
3
2
RS-485 Out (+)
RS-485 In (+)
+5 VDC Bias Out
Termination, tie to 8 if req’d.
RS-485 Out (-)
RS-485 In (-)
GND/SHIELD
GND/SHIELD
Tie to pin 8
Tie to pin 1
N/C
N/C
Tie to pin 7
Tie to pin 2
N/C
N/C
N/C
Sensornet (+)
N/C
Termination, tie to 8 if req’d.
N/C
Sensornet (-)
GND
GND/SHIELD
Data module - channel sequence
Slot 1
RJ45-A Ch 1 IN/OUT
RJ45-B Ch 2 IN/OUT
RJ45-C Ch 3 IN/OUT
RJ45-D Ch 4 IN/OUT
Slot 4
Ch 13 IN/OUT
Ch 14 IN/OUT
Ch 15 IN/OUT
Ch 16 IN/OUT
Slot 3
Ch 9 IN/OUT
Ch 10 IN/OUT
Ch 11 IN/OUT
Ch 12 IN/OUT
Slot 2
Ch 5 IN/OUT
Ch 6 IN/OUT
Ch 7 IN/OUT
Ch 8 IN/OUT
10