88
RS-422 1 / 2 / 3 / 4 / 5 Terminal Pin Arrangement
DC IN 12V Terminal Pin Arrangement
Pin number
Function
1
RX–
Input (–)
2
RX+
Input (+)
3
TX–
Output (–)
4
GND
–
5
GND
–
6
TX+
Output (+)
7
NC
–
8
NC
–
Connect the GNDs on both ends to stabilize the voltage level of the signal.
Pin number
Function
1
GND
2
Not connected
3
Not connected
4
+12V
1
8
