SLM-5650 Satellite Modem Revision 2
Installation MN/SLM5650.IOM
2–9
(15-Pin Connector) The auxiliary connection is a 15-pin female D connector (J9) located on the
rear panel of the modem. Screw locks are provided for mechanical security on the mating
connector.
Pin # Signal Function Name
1 Chassis Ground GND
2 Spare
3 Demod Q channel Q
4 AGC Monitor test point AGC
5 Tx TTL fault TxFLT
6 Spare
7 Ext carrier off EXT
8 Demod I channel I
9 Rx TTL fault RxFLT
10
11
12
13
14
15
2.3.9 Remote Connector, (J10)
The remote connector is a 9-pin subminiature 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 DCE interface is user selectable for either EIA-232 or EIA-484.
Pinout
EIA-232 EIA-485
Pin #
Name
Pin # Name
(2-Wire) Name
(4-Wire)
5 GND 5 -Tx/Rx -Tx
9 9 -Tx/Rx -Rx
4 4 +Tx/Rx +Tx
8 CTS 8 +Tx/RX +Rx
3 TD 3
7 RTS 7
2 RD 2
6 DSR 6
1 GND 1
*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 -).