Comtech EF Data CDM-625 - Control (DB-9 F); Ext Ref In;Out; Table 3-14. 1:1 Control Interface Connector Pinouts

CDM-625 Advanced Satellite Modem Revision 13
Rear Panel Connectors and Pinouts MN-CDM625
3–14
3.2.3.4 1:1 Control (DB-9F)
The 1:1 Control connector is intended only for connection to a CRS-170A or CRS-180
Redundancy Switch.
The 1:1 Control connector is a 9-pin Type ‘D’ female connector.
Table 3-14. 1:1 Control Interface Connector Pinouts
Pin #
(R-L)
Description Direction
1 Ground –
6
Transmit Serial Data – auxiliary channel
Out
2
Receive Serial Data – auxiliary channel
In
7
Redundancy Out 1
Out
3
Redundancy In 1
In
8
Redundancy Out 2
Out
4
Redundancy In 2
In
9
Fused +12 volt Out
Out
5 Ground –
3.2.3.5 Ext Ref In/Out
Connector Type
Description
Direction
BNC
External Reference
In/Out