AAEON AEC-6523 - Manual (Page 24)

E m b e d d e d C o n t r o l l e r A E C - 6 5 2 3
Chapter 2 Hardware Installation 2 - 9
RS-232 Mode
Pin Signal Pin Signal
1 DCDB 2 RXB
3 TXB 4 DTRB
5 Ground 6 DSRB
7 RTSB 8 CTSB
9 RIB/+5V/(+12V)
RS-422 Mode
Pin Signal Pin Signal
1 TXD- 2 RXD+
3 TXD+ 4 RXD-
5 Ground 6 N/C
7 N/C 8 N/C
9 N/C / +5V / (+12V)
RS-485 Mode
Pin Signal Pin Signal
1 TXD- 2 N/C
3 TXD+ 4 N/C
5 Ground 6 N/C
7 N/C 8 N/C
9 N/C / +5V / (+12V)
2.10 COM Port 3 Connector
Pin Signal Pin Signal
1 DCDC 2 RXC
3 TXC 4 DTRC
5 Ground 6 DSRC
7 RTSC 8 CTSC