2.4.17
COM 3 Box Connector (RS-232/422/485) (CN23)
Pin
RS-232
1
DCD3
2
DSR3
3
RX3
4
RTS3
5
TX3
6
CTS3
7
DTR3
8
RI3
9
GND
Chapter 2 – Hardware Information
RS-422
RS-485
RS422_TX-
RS485_D-
RS422_TX+
RS485_D+
RS422_RX+
RS422_RX-
Signal Type
IN
IN
IN
OUT
OUT
IN
OUT
IN
GND
30