Serial port communication issues Cable pinouts for connecting DB9 and DB25 consoles and modems
Digi CM and Passport Troubleshooting Guide
14
RJ-45 Signal DB-9F Signal
5 DCD 3 TxD
3 RxD 5 GND
4 GND 2 RxD
6 TxD 1 DCD
7 DTR 6 DSR
8 RTS 8 CTS
DB-25 female console (DTE device) adapter
Digi 8-pack reorder PN 76000673
RJ-45 Signal DB-9F Signal
1 CTS Connected to 4 RTS
2 DSR Connected to 20 DTS
5 DCD Connected to 2 TxD
3 RxD Connected to 7 GND
4 GND Connected to 3 RxD
6 TxD Connected to 6 DCD
7 DTR Connected to 8 DSR
8 RTS Connected to 5 CTS
DB-9 male console (DCE device) adapter
Digi 8-pack reorder PN 76000702