SLM-3650 Satellite Modem
Revision 3
Installation
MN/SLM3650.IOM
2-6
2.3.1
Remote Connector and Pinouts (J6)
The remote connector is a 9-pin female D connector (J6) located on the rear panel of the
modem. Screw locks are provided for mechanical security of the mating connector.
The remote connector interfaces the M&C functions to a remote location. The remote
location can be an M&C computer located away from the modem, but attached via cable to
the remote connector. This is a DCE interface that is user selectable for either EIA-485 or
EIA-232. Refer to Appendix B for a description of the remote interface.
Refer to Table 2-2 for pinout information.
Table 2-2. Remote Connector and Pinouts (J6)
EIA-485
EIA-232
4-Wire Mode
2-Wire Mode
Pin #
Name
Name
Pin #
Name
1 GND
GND
1
2
2 RD
(RX)
3
3 TD
(TX)
4 +TX
+RX/TX
4
5 -TX
-RX/TX
5 GND
6
6 DSR
7
7 RTS
8 +RX
+RX/TX* 8 CTS
9 -RX
-RX/TX*
9
*For 2-Wire Operation:
•
Only 2 wires are required.
•
Tie pins 4 and 8 together (both +)
•
Tie pins 5 and 9 together (both -)
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