Devolinx line of serial-to-Ethernet device ... It also supports Web interface configuration and comes with Virtual COM software free of charge. Other features include hig-speed ARM9G20 (400 MHz) CPU; ...

The newest upgraded version of Serial to Ethernet Connector 9.0 is already available with a refined user interface, improved compatibility and multiple fixes. ALEXANDRIA, VA, USA, April 12 ...

with an ESP-32 module attached to one side of a board with some breakouts for the GPIOs and a USB to Serial chip. The tricky part here is the PoE part of the Ethernet, which requires MagJack ...