Comtech EF Data SLM-5650B - J10 Remote Connector (DB-9 F); Table 3-10. J10 Remote Connector (DB-9 F) Pinout

SLM-5650B Satellite Modem
Revision 2
Rear Panel Connectors and Pinouts 3–11 MN-SLM-5650B
3.4.4 J10 Remote Connector (DB-9F)
This is a female Type ‘D’ 9-pin subminiature (DB-9F) connector that 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 DCE interface is user selectable for either EIA-232 or EIA-485:
Table 3-10. J10 Remote Connector (DB-9F) Pinout
EIA-232
EIA-485
Pin # Name Pin #
2-Wire
4-Wire
Name
Name
1
1
GND
GND
6 DSR 6
2 RD 2
7
RTS
7
3 TD 3
8
CTS
8
+Tx/RX
+Rx
4 4 +Tx/Rx +Tx
9 9 -Tx/Rx -Rx
5
GND
5
-Tx/Rx
-Tx
* For EIA-485 2-Wire Operation:
• Only two wires are required
• Tie pins 4 and 8 together (both +)
Tie pins 5 and 9 together (both -)