Async (J17); Terminal (J18) - Radyne DMD20 Installation And Operation Manual

Rear Panel Interfaces

5.18 ASYNC (J17)

The Asynchronous Data Interface Port is a 9-Pin Female "D" Connector. Refer to Table 5-7 for
pinouts.
Table 5-7. ASYNC Port 9-Pin Female "D" Connector (J17)
Pin No.
1 Receive Data B
2 Receive Data A
3 Transmit Data A
4 Transmit Data B
5 Ground
6 No Connect
7 No Connect
8 No Connect
9 No Connect

5.19 TERMINAL (J18)

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 5-8 for pinouts.
Table 5-8. TERMINAL Port (RS-232) 9-Pin Female "D" Connector (J18)
Pin No.
3 Transmit Data
2 Receive Data
5 Ground
5-10
Signal Name
Signal Name
DMD20 Universal Satellite Modem
Signal Direction
RXD_B
RXD_A
TXD_A
TXD_B
GND
DSR
RTS
CTS
NC
Signal Direction
TxD
RxD
GND
Output
Output
Input
Input
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Output
Input
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TM103 - Rev. 1.1