Advantech ARK-1220 User Manual page 39

3.2.2.4 Serial Port 1 Configuration
 Serial Port
This item allows users to enable or disable Serial Port 1 (COM).
 Change Settings
This item allows users to specify the settings for a super I/O device.
 Choose Serial Port Mode
This item allows users to change the serial port mode.
RS485 Auto Flow

This item allows users to enable or disable RS485 auto flow.
29 ARK-1220 User Manual