Comtech EF Data CDM-500 - Manual (Page 28)

CDM-500 Closed Network Satellite Modem Connector Pinouts
Rev. 1.3 5–3
5.3 Remote Control Connector - 9 Pin ‘D’ Type Male
Table 5-3 Remote Control Connector
Pin Description
1 Ground
5 Ground
9
RS485 Transmit Data A
8 RS485 Transmit Data B
7 RS485 Receive Data A
6 RS485 Receive Data B
2 RS232 Transmit Data
3 RS232 Receive Data
4 Reserved - do not connect to this pin
5.4 Auxiliary Serial Connector - He1402 3 Pin Header
Table 5-4 Auxiliary Serial Connector
Pin Description
1 RS232 Transmit Data
2 Ground
3 RS232
Receive Data