Advantech ITA-1611 Series User Manual page 41

 Serial Port
Enable or disable the serial port. Default is "Enabled".
 Serial Port Mode
Configure serial port mode. Default is "RS232". If it's "RS485", the auto flow
control option will be enabled and the default is "Disabled".
 Change settings
Change IO address and IRQ settings. Default is automatically.
 Device mode
Configure the mode of serial port device. Default is "Normal".
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