Aaeon AEC-6876 - RS-232;422;485 Pin Header (COM2)

Embedded Controller
A E C - 6876
Chapter 2 Hardware Installation 2 - 4
2.2 RS-232 Box Header (COM1)
4BPin
25BSignal
Pin
5BSignal
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
2.3 RS-232/422/485 Pin Header (COM2)
RS-232 Mode
4BPin
25BSignal
Pin
5BSignal
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
RS-422 Mode
Pin
Signal
Pin
Signal
1
TXD-
2
RXD+
3
TXD+
4
RXD-
5
Ground
6
NC
7
NC
8
NC
9
NC