Overview This is a RS485 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 RS485 and Ethernet ports, uses screw terminals for power input, supports 9~24V wide range power supply. Rail-mount flame-retardant 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.etc. Specifications 1.Primary Introduction Product Type--- Serial server, Modbus Gateway, MQTT Gateway Basic Function--- Bi-directional transparent data transmission between RS485 and Ethernet Communication interface --- RS485 port x 1, Ethernet port x 1 Power supply --- 9 ~ 24V DC screw terminal 2.Communication Ethernet--- common network port, 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection. Serial port--- RS485. 3.Serial specification Baudrate---300 ~ 115200 bps Parity bit--- none, odd, even, mark, space Data bit--- 5 ~ 9 bits 4.Software Protocol--- ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS Configuration--- host, web browser, device management functions library Communication method--- TCP/IP direct communication, VCOM Operating mode--- TCP server, TCP client (coexisting with TCP server), UDP, UDP multicas 5.Environment requirement Operating temperature--- -40? ~ 85? Storage temperature: -45? ~ 125? Humidity range--- 5% ~ 95% relative humidity Dimensions --- L x W x H--- 87x 36 x 59 mm Online Document/How to use: //bit.ly/3rWrjyz Package Content RS485 TO ETH (B) x1