USR-DR302 Modbus RS485 to Ethernet converter enables bidirectional transparent transmission between RS485 and Ethernet. Through web interface or software, the RS485 to Ethernet converter supports transparent transmission of serial data and TCP/IP data packets. Features an industrial-grade RS485 port with standard DIN-rail mounting. Converts Modbus RTU to Modbus TCP, allowing seamless data communication between TCP/IP and RS485 networks. Widely used in industrial automation applications. Compact and lightweight design. Supports TCP server/client, UDP server/client, and Virtual COM modes. Simple configuration and easy to use. Package Contents: 1 x Din Rail Serial RS485 to Ethernet TCP IP Server Module. Only the above items are included; other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement error allowance is +/- 1-3 cm.