An RS232/485/422 device data / IoT specifically designed for industrial environment applications.It is a serial server, Modbus , MQTT , RS485 to JSON and many other functions in one.RS232/485/422 and Ethernet interface with PoE function, with 5.5mm outer diameter and 21mm inner diameter power interface.The power interface of 5.5mm outer diameter and 21mm inner diameter is connected with terminal block type power supply, and the rail type housing design is and easy to install.It is suitable for data acquisition, IOT , security IOT and smart meter monitoring.Software Protocols: ETHERNET, IP, , UDP, HTTP, , ICMP, DHCP, DNSConfiguration: computer configuration, WEB browser, device management function libraryCommunication mode: /IP direct communication, virtual serial port modeOperating modes: server, client ( server also coexists), UDP, UDP multicast OtherOperating temperature: -40 ~ 85Humidity range: 5% ~ 95% relative humidityMaterial: ABScolour: blackPackage Contents:1 x DIN-Rail Serial ServerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.