What is the cable pinout for connecting from one port to another port on Digi CM/Passport units (port to port)?

The following cable pinout applies for connecting from one port to another port on Digi CM or Digi Passport units:

RJ45                       RJ45
=======                =======
1 CTS                     8 RTS
2 DSR                     7 DTR
3 RxD                     6 TxD
4 GND                    5 DCD (can also be used as GND)
5 DCD (GND)         4 GND
6 TxD                     3 RxD
7 DTR                     2 DSR
8 RTS                     1 CTS