Remote (J6) - Comtech EF Data SDM-9000 Installation And Operation Manual

SDM-9000 Satellite Modem

2.4.6 Remote (J6)

The remote connector is used to interface the M&C functions to a remote location. This
is a Data Circuit Terminating Equipment (DCE) interface that can be either RS-232-C or
RS-485. Refer to Appendix B for remote control operation information.
The remote interface connection is a 9-pin female D connector located on the rear panel
of the modem. Screw locks are provided for mechanical security of the mating connector.
Rev. 4
RS-485
4-Wire Mode 2-Wire Mode
Pin # Name Name
1 GND GND
2
3
4 +TX +RX/TX
5 -TX -RX/TX
6
7
8 +RX +RX/TX
9 -RX -RX/TX
RS-232-C
Pin # Name
1
2 RD (RX)
3 TD (TX)
4
5 GND
6 DSR
7 RTS
8 CTS
9
Installation
2–7