User's Manual

16
7-2-3 Jumper Setting
Connector PIN Definition
RS-232/422/485 mode changed by BIOS setting
RS-232 Pin Define
1
DCD
2
DSR
3
RxD
4
RTS
5
TxD
6
CTS
7
DTR
8
GND
RS-232/422/485 Setting
1. Power on the system, and press
the <DEL> key when the system is
booting up to enter the BIOS Setup
utility.
2. Select the Advanced tab.
3. Select VGA/COM Power
Configuration Ports and press
<Enter> to go to display the
available options.
4. To enable the power, select RS232
Power setting and press <Enter>.
Select Power and press <Enter>.
Save the change by pressing F10.
RS-232/422/485 Pin Define
RS-232
RS-422
RS-485
1
DCD
TX-
DATA-
2
DSR
3
RxD
TX+
DATA+
4
RTS
5
TxD
RX+
6
CTS
7
DTR
RX-
8
GND