What is a “tunnel” to the serial port? | NETIO products: Smart power sockets controlled over LAN and WiFi
What is a “tunnel” to the serial port?

In the settings, the 3-pin serial port can be connected to a specified TCP port. Then, on a computer, a Telnet connection to an IP:port can be established, and whatever you type into the terminal will be sent to the physical serial port. RS-232 speed and other parameters are configured in the WEB configuration interface of NETIO PowerPDU 4C.

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