Features: A RS485 device data collector/IoT specially designed for industrial environment applications, with serial server, Modbus , MQTT , RS485 to JSON and other functions in one.With RS485 and Ethernet interfaces, terminal-type power supply access, support for 9~24V wide voltage power supply, rail-type -retardant shell , small size, easy installation, cost-effective, suitable for data acquisition, Internet of Things gateways, security objects Networking and intelligent instrument monitoring and other fields.Specification:Communication interface: RS485, terminal type, support 32 slave devicesPower supply: terminal type, 9~24V DCProduct size L x W x H: 87 x 36 x 59mmCommunication Interface:Ethernet: 10/100M adaptive RJ45 interface, 2KV surge protectionSerial port: RS485x1: RXD, TXD, GND rate: 300~115200bpsCheck Digits: None, Odd, Even, , SpaceData bits: 5~9 bitsFlow control: no flow controlProtocol: ETHERNET, IP, , UDP, HTTP, , ICMP, DHCP, DNSConfiguration : computer configuration, WEB browser, device management function libraryCommunication mode: /IP direct communication, virtual serial port modeWorking mode: server, client (the server also coexists), UDP, UDP multicastOperating temperature: -40~85Storage temperature: -45C~165CHumidity range: 5%~95% relative humidityMaterial: ABScolour: WhitePackage Contents:1 x RS485 serial serverOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.