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What are the pinouts for the Digi CM and Digi Passport loopback plug?

The following loopback pinouts apply to the Digi CM and Digi Passport product lines:

RJ45 Looback
=======              =======
1 CTS                   8 RTS
2 DSR and DCD    7 DTR
3 RxD                   6 TxD
4 GND                  4 GND



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