Quick Installation Guide
EEV-EX03 Quick Installation Guide 13
2.3.7
Serial Port 2 in RS-422/485 mode (JRS422/1)
In 422 mode
Signal
PIN
PIN
Signal
TX-
1
2
RX-
TX+
3
4
RX+
+5V
5
6
GND
JP1
In 485 mode
Signal
PIN
PIN
Signal
DATA-
1
2
NC
DATA+
3
4
NC
+5V
5
6
GND
JP1