Comtech EF Data CDM-625A - Manual (Page 100)

CDM-625A Advanced Satellite Modem MN-CDM625A
Rear Panel Connectors and Pinouts Revision 3
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