Table 5-6. Pinouts For J20 Remote Port (Rs-485 Or Rs-232) 9-Pin Female D Connector; Monitor And Control Connectors J20, J21 - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Universal Satellite Modem

5.3.9 Monitor and Control Connectors J20, J21

Label
REMOTE J20
ETHERNET J21
Table 5-7. Pinouts for J20 REMOTE Port (RS-485 or RS-232) 9-pin Female D Connector
MN-DMD2050E Revision 2
Remote Monitor and Control Port (RS-485 or RS-232)
Ethernet Monitor and Control Port
Pin No. Signal Name
1 Transmit Data RS-485 (+)
2 Transmit Data RS-232
3 Receive Data RS-232
4 NC
5 Ground
6 Transmit Data RS-485 (–)
7 NC
8 Receive Data RS-485 (+)
9 Receive Data RS-485 (–)
Description
Signal
TX-485-B
TXD-232
RXD-232
NC
GND
TX-485-A
No Connect
RX-485-B/CTS
RX-485-A
External Connections
Connector Type
9-pin Female D
Female RJ-45
Direction
Output
Output
Input
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Output
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Input
Input
5–10