Aplex Technology APC-3517B User Manual
Page 31
APC-3X17B User Manual
31
LED2:
POWER 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