An ethernet device and a serial device are the two I/O devices a user could set up.

Communication Between Xpanel and other devices

1. Click Tools > I/O Device Editor > click the + icon to begin I/O device configuration for Connection Type, Device Name, and Device Type > click Ok.

   

...

※ For information on the pinout configuration for Serial and Ethernet, go to the Communication Port Pinouts manual.

Serial Configuration

...