Comtech EF Data CDM-700 - Manual (Page 53)

CDM-700 High Speed Satellite Modem Revision 5
Connector Pinouts MN/CDM700.IOM
5–7
5.1.7 RS-232/485 Remote Port Connector Pinout – P2
The P2 Remote interface is a 9-Pin type ‘D’ male connector with threaded
jack nuts.
Pin # Description Direction
1 Ground
2 RS-232 Transmit Data Out
3 RS-232 Receive Data In
4 Not Used
5 Not Used
6
RS-485 Receive Data B
See Note In
7
RS-485 Receive Data A
See Note In
8 RS-485 Transmit Data B Out
9 RS-485 Transmit Data A Out
IMPORTANT
RS-232/485 Remote Port P2 is used for 2-wire RS-485 operation.
5.2 Data Interfaces
Refer to the applicable appendix in this manual for specific Data Interface pinout
information:
• Appendix B. Dual E3/T3/STS-1 (G.703) Interface (CDI-10)
• Appendix C. OC3 Interface (CDI-50)
• Appendix D. HSSI Interface (CDI-60)
• Appendix E. Gigabit Ethernet Interface (GbEI) (CDI-70)