I have tested to communicate a serial port on WR31 through internet network.
1. Device setting
- Enabled serial port 0
2. Connect 1st PC (USB-serail converter, real RS232 com port) with WR31 and 2nd PC connected with WR31 using RJ45 (LAN0 port)
These PCs are on the same network and I can communicate both direction.
However, when I moved 1st PC to the public ethernet ( not same network) with realport com port, I couldn't have any connection. I put the IP address from the LTE connection.
My purpose is to connect the serial port from a public internet network.
I can't find any proper manual or instruction on the site.