CDM-625 Advanced Satellite Modem
Revision 1
Rear Panel Connector Pinouts
MN-0000036 (Ref MN/CDM625.IOM)
3.4.4
1:1 Control Connector, DB-9F
The 1:1 Control connector is a 9-pin Type ‘D’ female connector. Refer to
Table 3-13
for pin assignments.
Note:
The 1:1 Control connector is intended
only
for connection to a CRS-170A or CRS-180
Redundancy Switch.
Table 3-13. 1:1 Control Interface Connector Pin Assignments
Pin #
Description
Direction
1 Ground
2
Receive Serial Data – auxiliary channel
In
3
Redundancy In 1
In
4
Redundancy In 2
In
5 Ground
6
Transmit Serial Data – auxiliary channel
Out
7
Redundancy Out 1
Out
8
Redundancy Out 2
Out
9
Fused +12 volt
Out
3.4.5
Ext Ref Connector
Connector Type
Description
Direction
BNC External
Reference In/Out
3–13
