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DMD15/DMD15L IBS/IDR Satellite Modem User Interfaces
TM051 - Rev. 5.8 5-7
Table 5-6. S6 Ground/Deferred – C
Switch Positions
AGC Out Prompt - C
1 X 1 X
2 X 2 X
3 On 3 Off
4 Off 4 On
5 X 5 X
5.13 TERMINAL (J12)
The Terminal Port is an RS-232 Connection that is used to connect a terminal for operating and
monitoring the system. It is a 9-Pin Female “D” Connector. Refer to Table 5-7 for pinouts.
Table 5-7. Terminal Port (RS-232) 9-Pin Female “D” Connector (J12)
Pin No. Signal Name Signal Direction
3 Transmit Data TxD Output
2 Receive Data RxD Input
5 Ground GND ---
7 Request to Send RTS Input
8 Clear to Send CTS Input
5.14 REMOTE (J13)
The Remote Port is a RS-485 Connection for remote monitor and control of the modem. It is a 9-
Pin Female “D” Connector. Refer to Table 5-8 for pinouts.
Table 5-8. Remote Port RS-485 9-Pin Female “D” Connector (J13)
Pin No. Signal Name Signal Direction
1 Transmit Data B RS-485 TxD-B Output
2 Transmit Clock A TxC-A Output
3 Transmit Clock B TxC-B Output
4 Receive Clock A RxC-A Input
5 Signal Common Common ---
6 Transmit Data A RS-485 TxD-A Output
7 Receive Clock B RxC-B Input
8 Receive Data B RS-485 RxD-B Input
9 Receive Data A RS-485 RxD-A Input