Comtech EF Data CDM-625A - 1:1 Control (DB-9 F); Ext Ref In;Out

CDM-625A Advanced Satellite Modem MN-CDM625A
Rear Panel Connectors and Pinouts Revision 4
3–16
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 3-13. 1:1 Control Interface Connector Pinouts
(R>L)
Pin #
Description Direction
5
Ground
––
9
Fused +12 volt Out
Out
4
Redundancy In 2
In
8
Redundancy Out 2
Out
3
Redundancy In 1
In
7
Redundancy Out 1
Out
2 Receive Serial Data – Auxiliary Channel In
6 Transmit Serial Data – Auxiliary Channel Out
1 Ground ––
3.2.3.5 Ext Ref In/Out
Connector Type
Description
Direction
BNC
External Reference
In/Out