GOT-2770S User’s Manual
2.3.3 Connector COM3 [RS422/485]
Pin Designations
COM3 [RS-422/485]
Pin assignment of the 9 Pin, Female,
SUB-D COM3 [RS-422/485] Port
Pin#
Symbol RS-422
RS-485
1
2 Tx+ Transmitted
Data+
Data+
3 Tx- Transmitted
Data-
Data-
4 Rx+ Received
Data+
5 Rx- Received
Data-
6 GND
Signal
Ground
Signal
Ground
7
8
9
Installation Instructions
16