Serial Port 2 In Rs-422/485 Mode (J422/485_1) - Avalue Technology ECM-PNV Quick Installation Manual

ECM-PNV Quick Installation Guide

2.3.9 Serial port 2 in RS-422/485 mode (J422/485_1)

J422/485_1
Signal
TX-
TX+
+5V
Note:
J422/485 is available after modifying the mode
of COM2 in BIOS setting. And the wiring must changed
to E1701150300R and Connecting it to this
J422/485_1 connector.
ECM-PNV Quick Installation Guide 15
PIN PIN Signal
1 2 RX-
3 4 RX+
5 6 GND