This is the industrial RS232/RS485 to Ethernet Converter from Waveshare. This device is the solution for converting data between RS232/RS485 and Ethernet. It converts data bi-directionally. This means that it works in both directions. You can easily set it up via a web page. The device is flexible in power supply, with support for 5V to 36V. A 5V wall adapter is included as standard. This converter is ideal for industrial applications where reliability is a must.