Dual Db-9 Port (Com 3 + Com 4) (Cn19) - Asus AAEON BOXER-6617-ADN User Manual

2.4.17

Dual DB-9 Port (COM 3 + COM 4) (CN19)

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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