Features This is a RS232/485/422 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. The module features RS232/485/422 and Ethernet port with PoE function, uses DC port (outer diameter: 5.5mm, inner diameter: 21mm) and screw terminals for power input. The case with rail-mount support, small in size, easy to install, cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring... Package include Note: The power supply of this product is not included, it is recommended to used with a 12V Industrial DIN-Rail Power Supply 1. RS232/485/422 TO POE ETH (B) x1 Resources available: https://www.waveshare.com/wiki/RS232/485/422_TO_POE_ETH_(B)

It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring... The case with rail-mount support, small in size, easy to install, cost-effective. The module features RS232/485/422 and Ethernet port with PoE function, uses DC port (outer diameter: 5.5mm, inner diameter: 21mm) and screw terminals for power input. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. This is a RS232/485/422 device data acquisitor / IoT gateway designed for industrial environment.