waveshare RS232 to RJ45 Ethernet Bi-Directional Converter Adapter Module, Industrial Rail-Mount RS232 Serial Server, TCP/IP to Serial, Support Modbus Gateway, Multi Communication Modes

This is a RS232 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS232 to JSON, etc.
The module features RS232 and Ethernet port, uses screw terminals for power input. Rail-mount case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...
RS232 To RJ45 Ethernet Module---Bi-Directional Transparent Data Transmission Between RS232 And Ethernet. Rail-Mount Support----Easy To Combine Multi Rail-Mounted Serial Server Together, More Freely.
Modbus Gateway Support---Suitable For Modbus Gridding Upgrade, Can Be Used With Specific Configuration Software. Multi Communication Modes---Supports TCP Server / TCP Client / UDP Mode / UDP Multicast. MQTT/JSON To Modbus---More Flexible Conversion Between Different Protocols.
Multi Hosts Roll-Polling Support--- Different Network Devices Will Be Identified And Responsed Respectively, No More Crosstalk Issue While Communicating With Multi Network Devices