2.4.16
Dual DB-9 Port (COM 1 + COM 2) (CN15)
Pin
RS-232
1
DCD
2
RX
3
TX
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Chapter 2 – Hardware Information
RS-422
RS-485
RS422_TX-
RS485_D-
RS422_TX+
RS485_D+
RS422_RX+
RS422_RX-
Signal Type
IN
IN
OUT
OUT
GND
IN
OUT
IN
IN
27