串口(Debug port 、RS-232、RS-485 、GPIO)

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Debug Port 

There is connector CN14 for Debugging.

EPC-R3220 debug port2021-10-04 130558.jpg


GPIO / COM

Here is a 20pin Terminal Block that supports 2xRS232/485 and GPIOs. 

EPC-R3220 GPIO COM2021-10-04 131956.jpg


RS-485 


EPC-R3220 4852021-10-04 132156.jpg