Issue:
What are the pin outs for the M221 RS485 serial port?

Product line:
M221

Environment:
Ecostruxure Machine Expert Basic (formally SoMachine Basic).

Cause:
Issues with communication with the M221 serial port configured for RS485.

Resolution:
The pin out for the M221 RJ45 serial port is attached.

Released for: Schneider Electric United Arab Emirates