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Serial port communication issues
RJ-45
Signal
1
CTS
2
DSR
3
RxD
4
GND
5
DCD
6
TxD
7
DTR
8
RTS
DB-25 male console (DCE device) adapter
Digi 8-pack reorder PN 76000670
RJ-45
Signal
1
CTS
2
DSR
5
RxD
3
GND
4
DCD
6
TxD
7
DTR
8
RTS
Kill serial port connection
In the event there is a stuck process on a port, killing the process may release the port for connection.
1.
Log in to the web interface on the device
2. In the web interface, select Serial port > Connection.
Digi CM and Passport Troubleshooting Guide
DB-9F
Signal
8
CTS
6
DSR
2
RxD
5
GND
1
DCD
3
TxD
4
DTR
7
RTS
DB-9F
Connected to
5
Connected to
6
Connected to
3
Connected to
7
Connected to
8
Connected to
2
Connected to
20
Connected to
4
Kill serial port connection
Signal
CTS
DSR
RxD
GND
DCD
TxD
DTR
RTS
15
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