Com3, Com4 Connector (Rs232/Rs422/Rs485) (Cn32) - Asus AAEON BOXER-6840-CFL User Manual

2.4.20 COM3, COM4 Connector ( RS232/RS422/RS485) (CN32)
P in P in Name
1 DCD3
2 RX3
3 TX3
4 DTR3
5 GND
6 DSR3
7 RTS3
8 CTS3
9 RI3
10 DCD4
11 RX4
12 TX4
13 DTR4
14 GND
15 DSR4
16 RTS4
17 CTS4
18 RI4
Chapter 2 – Hardware Information
Sig nal Type R S-422
RS422_TX-
IN
RS422_TX+
IN
RS422_RX+
OUT
RS422_RX-
OUT
GND
IN
OUT
IN
IN
RS422_TX-
IN
RS422_TX+
IN
RS422_RX+
OUT
RS422_RX-
OUT
GND
IN
OUT
IN
IN
R S-485
RS485_D-
RS485_D+
RS485_D-
RS485_D-
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