CSE-H55N is an industrial RS422/RS485 to Ethernet converter that supports IPv6 addressing architecture as well as IPv4. It comes equipped with a terminal block for RS422 and RS485 interface. The basic concept of this converter is quickly and easily adding networking capabilities to your serial equipment to help you remotely control and monitor your serial equipment from anywhere in the world. CSE-H55N mainly features industrial operating temperature range (-40℃ ~ +85℃), various communication functions such as DNS, DDNS, and strong security functions(SSL, MAC/IP filtering, etc.).
You can configure two adapters so that you get an extended RS422/RS485 connection via Ethernet / Internet. This application is described in the Application Note and Technical Document on Serial Tunneling.
CSE-H55N requires a 5V power supply (not included).
More information on the website of Sollae Systems.