Premier Mounts CDM-600 specifications IDR Backward Alarms Connector P5A, Unit Alarms P5B

CDM-600 Satellite Modem	Revision 7
Connector Pinouts	MN/CDM600.IOM

5.7IDR Backward Alarms Connector (P5A)

The IDR Alarm interface connection is a 15-pin female connector located on the rear panel of the modem. Refer to Table 5-7for pin assignments.

Table 5-7. IDR Alarm Interface Connector Pin Assignments

Pin #	Signal Function	Name
2	Backward Alarm 1 is active	BA-1-NO
9		BA-1-COM
1	Backward Alarm 1 is not active	BA-1-NC
10	TBD	MON-A
4	Backward Alarm 2 is active	BA-2-NO
11		BA-2-COM
3	Backward Alarm 2 is not active	BA-2-NC
6	Backward Alarm 3 is active	BA-3-NO
13		BA-3-COM
5	Backward Alarm 3 is not active	BA-3-NC
14	TBD	MON-B
8	Backward Alarm 4 is active	BA-4-NO
15		BA-4-COM
7	Backward Alarm 4 is not active	BA-4-NC
12	Ground	GND

5.8Unit Alarms (P5B)

Unit alarms are provided on a 15-pin male connector located on the rear panel of the modem. Refer to Table 5-8 for pin assignments.

Table 5-8. Alarm Interface Connector Pin Assignments

Pin #	Signal Function		Name
8	Rx Traffic (De-energized, Faulted)		RX-NC
15	Rx Traffic (Energized, No Fault)		RX-NO
7	RX Traffic		RX-COM
14	Tx Traffic (De-energized, Faulted)		TX-NC
6	Tx Traffic (Energized, No Fault)		TX-NO
13	Tx Traffic		TX-COM
5	Unit Fault (De-energized, Faulted)		UNIT-NC
12	Unit Fault (Energized, No Fault)		UNIT-NO
4	Unit Fault		UNIT-COM
11	RX I Channel	(Constellation monitor)	RX-I
3	RX Q Channel	(Constellation monitor)	RX-Q
10	No Connection		N/C
2	AGC Voltage (Rx signal level, 0 to 2.5 volts)		AGC
9	EXT Carrier OFF		EXT-OFF
1	Ground		GND

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