Serial Port 2 Connector (Jcom2A); Com2 Rs485/422 Connector (Jcom2B) - Avalue Technology ERX-H110KP User Manual

ERX-H110KP User's Manual
2.3.7

Serial port 2 connector (JCOM2A)

2.3.8

COM2 RS485/422 connector (JCOM2B)

Note:
Max Current 1A.
22 ERX-H110KP User's Manual
Signal PIN PIN
RI 9 10
RTS 7 8
GND 5 6
TXD 3 4
DCD 1 2
Signal PIN PIN
GND 6 5
422RX+ 4 3
422RX- 2 1
Signal
NC
CTS
DSR
DTR
RXD
Signal
+5V
485TX+
485TX-