1. This is an RS232/485/422 device data /Internet of Things specially designed for industrial environment applications. It combines serial server, Modbus , MQTT , RS485 to JSON and other functions. 2. Ethernet interface with RS232/485/422 and PoE function 3. The interface with an outer diameter of 5.5mm and an inner diameter of 21mm is used to with the terminal type supply 4. Rail type housing design, small size, convenient installation, cost-effective 5. It is applicable to data acquisition, Internet of Things , security Internet of Things, intelligent instrument monitoring and other fields. : RS232/485/422 TO POE ETH (B) multiple interfaces+PoE network interface+electrical isolation version Product type: serial port server, Modbus , MQTT Basic function: realize two-way parent mission function from RS232/485/422 to Ethernet Communication interface: RS232 x 1; RS485 x 1; RS422 x 1; Internet port x one supply mode: DC 5.5 interface, terminal DC 6~36V or PoE network interface Isolation protection: isolation, signal isolation protection Communication interface: Ethernet: PoE network interface, supporting IEEE 802.3af standard. 10/100M adaptive RJ45 interface, 2 KV level surge protection Serial port: isolated RS232/485/422 Serial port parameters: Baud rate: 300~115200 Check bit: none, odd check, even check, mark, space Data bits: 5~9 bits control: no control Software: Protocols: ETHERNET, IP, , UDP, HTTP, , ICMP, DHCP, DNS Configuration mode: upper computer configuration, WEB browser, device management function library Communication mode: /IP direct communication, virtual serial port Working mode: server, client ( server also coexist), UDP, UDP multicast Product size: L x W x H:88.7 x 72.5 x 24.2 mm color:Black Material:ABS+Metal Package Contents: 1 x RS232/485/422 to RJ45 Ethernet module Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.