Aplex Technology ACS-2663C User Manual
Page 40
ACS-266XC User Manual
40
LED2:
CF Card LED status.
S1:
PWR BT: POWER on/off Button, They are used to connect power switch button. The two pins are
disconnected under normal condition. You may short them temporarily to realize system startup &
shutdown or awaken the system from sleep state.
PWR LED: POWER LED status.
COM3:
(Type DB9),
I/O serial port, it provides selectable RS422/RS485 serial signal output.
RS422 Type (option)
RS485 Type (option)
Signal Name
Pin#
Pin#
Signal Name
422_RX+
1
1
NC
422_RX-
2
2
NC
422_TX-
3
3
485-
422_TX+
4
4
485+
Ground
5
5
Ground
NC
6
6
NC
NC
7
7
NC
NC
8
8
NC
NC
9
9
NC
Note:
Use COM3 RS422 or RS485 Function, please enter BIOS CMOS Setup. Path:
BIOS Setup Utility \ Advanced /Super IO Configuration \ Serial Port3 Type: