User manual

ACS-2685 User Manual
35
40. TB-523:
ASB-M801 I/O Card, via a dedicated cable connected to ASB-M801 MIO1 and MIO2.
TB-523 Top：
TB-523 Bottom：
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.