Comtech EF Data CDM-600/600L - Manual (Page 69)

CDM-600/600L Open Network Satellite Modem Revision 3
Rear Panel Connector Pinouts MN/CDM600L.IOM
3–9
3.4.3 P4B Remote Control Interface Connector, DB-9M
The 9-pin type ‘D’ male (DB-9M) P4B Remote Control connector is intended for
connection to an M&C computer or terminal device. This interface is user
selectable for either RS-232 or RS-485.
P4B Remote Control Interface (DB-9M)
Pin # Description Direction
1 Ground --
2 RS-232 Transmit Data Out
3 RS-232 Receive Data In
4 Reserved - do not connect to this pin --
5 Ground --
6 RS-485 Receive Data B * In
7 RS-485 Receive Data A * In
8 RS-485 Transmit Data B Out
9 RS-485 Transmit Data A Out
* Use for 2-wire RS-485 operation
3.4.4 P5A IDR Alarms Connector, DB-15F
The 15-pin Type ‘D’ female (DB-15F) P5A IDR Alarms interface connection
provides four Form-C backward alarm outputs specified by Intelsat.
P5A IDR Alarms Connector (DB-15F)
Pin # Signal Function Name
2
9
1 Backward Alarm 1 is active
Backward Alarm 1 is not active
BA-1-NO
BA-1-COM
BA-1-NC
10 TBD MON-A
4
11
3
Backward Alarm 2 is active
Backward Alarm 2 is not active
BA-2-NO
BA-2-COM
BA-2-NC
6
13
5
Backward Alarm 3 is active
Backward Alarm 3 is not active
BA-3-NO
BA-3-COM
BA-3-NC
14 TBD MON-B
8
15
7
Backward Alarm 4 is active
Backward Alarm 4 is not active
BA-4-NO
BA-4-COM
BA-4-NC
12 Ground GND