15
Contents
COM2 (RS232/422/485)
Connector Number: 19
RS232 / RS422 / RS485 is selected in BIOS setting
Pin
Definition
Pin
Definition
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Pin
Definition
Pin
Definition
1
TXD-
2
TXD+
3
RXD-
4
RXD+
1
5
6
9
RS232 (Default)
RS422/485