Comtech EF Data CDM-840, Installation And Operation Manual, Page: 40 / 110

CDM-840 Remote Router Revision 0
Rear Panel Connector and Pinouts MN-CDM840
3–4
3.4 Utility Connections
3.4.1 (FUTURE) REDUNDANCY Connector, DB-9F
This interface is not operational in the initial product release.
3.4.2 CONSOLE Interface Connector, DB-9M
The Remote Control Interface is a 9-pin Type ‘D’ male connector. It is
intended for connection to an M&C computer or terminal device, and is used
for EIA-232 communications. Refer to
Table 3-2 for pinouts.
Table 3-2. REMOTE CONSOLE Connector Pinouts
Pin # Description Direction
1 Ground –
2 EIA-232 Transmit Data Out
3 EIA-232 Receive Data In
4 Reserved - do not connect to this pin –
5 Ground –
6 Reserved - do not connect to this pin –
7 Reserved - do not connect to this pin –
8 Reserved - do not connect to this pin –
9 Reserved - do not connect to this pin –