EMX-Q87R
User’s Manual
34 EMX-Q87R
User’s Manual
2.7.9 Serial Port 1 Connector (COM1)
In RS-232 Mode
Signal
PIN PIN
Signal
DCD
1
2
RXD
TXD
3
4
DTR
GND
5
6
DSR
RTS
7
8
CTS
RI
9
In RS-422 Mode
Signal
PIN PIN
Signal
TX-
1
2
TX+
RX+
3
4
RX-
GND
5
6
7
8
9
In RS-485 Mode
Signal
PIN PIN
Signal
TX-
1
2
TX+
3
4
GND
5
6
7
8
9
* RS232/RS422/RS485 Mode Change by BIOS Setup
BIOS Setup
Advanced
NCT6106D Super IO
Configuration