2 data interfaces – Comtech EF Data CDM-700 User 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)