Features of 2 ports RS232 RS485 RS422 Ethernet Converter Cortex-M4 kernel,industrial working temperature range and TCPIP protocol stack. Auto-MDI/MDIX,RJ45 port with 10/100Mbps TCP Server,TCP Client,UDP Client,UDP Server and HTTPD Client work mode Support network printing Support Modbus multi-host polling Two ports can work independently at the same time Support Modbus RTU to Modbus TCP Can distinguish which serial port connects to the device via port number Support virtual serial port and provide corresponding software USR-VCOM Serial baud rate from 600bps to 230.4K bps;Check bit of None,Odd,Even,Mark and Space DNS and DHCP supported Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS Built-in webpage;also can customize webpage for users Reload button,one key to restore default settings RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation The global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC address Support upgrade firmware via network Support keepalive,rapidly detect dead links Support account and password,can be used to page login and network settings Support one channel Websocket,realize bidirectional transparent transmission between webpage and serial 0 Two serial ports;each serial can work as rs232,rs485 or rs422;DB9 female;provide rs485/rs422 converter Two channel serial communication indicator: TX/RX Support DC adapter and 5.08-2 terminal power supply Support UDP broadcast function