Comtech EF Data SLM-5650A Installation And Operation Manual page 74

8
(cont)
9 'J8 Alarms' (DB-9F)
Utility Connector
Rear Panel Connectors
32 Ground
7 Ground
31 ST-
6 ST+
30 Not Used
5 Not Used
29 RD-
4 RD+
28 CA-
3 CA+
27 RT-
2 RT+
26 Ground
1 Ground
This Type 'D' 9-pin female (DB-9F) connector provides Form 'C' contact closures
for alarm reporting. The three Form 'C' summary fault contacts are Modulator,
Demodulator, and Common Equipment.
Pin #
5 RX Alarm is faulted
9 RX Alarm is not faulted
4 RX Alarm Common
8 TX Alarm is faulted
3 TX Alarm is not faulted
7 TX Alarm common
2 Unit Alarm is faulted
6 Unit Alarm is not faulted
1 Unit Alarm Common
4–10
SLM-5650A Satellite Modem
Signal Function
Revision 10
Name
NC
NO
COM
NC
NO
COM
NC
NO
COM
MN-SLM-5650A