Com Port 1 ~ 3 (Rs-232/422/485) (Cn19/Cn20/Cn23) - Asus AAEON BOXER-6711-ADN User Manual

2.4.13

COM Port 1 ~ 3 (RS-232/422/485) (CN19/CN20/CN23)

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
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