Instruction Manual

Embedded Controller AEC-6613
Chapter 2 Hardware Installation 2 - 12
RS-485 Mode
Pin Signal Pin Signal
1 TXD- 2 N/C
3 N/C 4 N/C
5 TXD+ 6 N/C
7 N/C 8 N/C / +5V / (+12V)
9 Ground
2.7 COM Port 3 Connector
Pin Signal Pin Signal
1 DCDC 2 DSRC
3 RXC 4 RTSC
5 TXC 6 CTSC
7 DTRC 8 RIC
9 Ground
2.8 COM Port 4 Connector
Pin Signal Pin Signal
1 DCDD 2 DSRD
3 RXD 4 RTSD
5 TXD 6 CTSD
7 DTRD 8 RID
9 Ground