1、MULTIFUNCTION: RS232/485 device data collector (IoT gateway) specially designed for industrial environments, combining the functions of serial port server, MQTT gateway, and serial port to HTTPD Client. 2、MULTIPLE INTERFACES: Industrial serial port server has RS232, RS485, WiFi and Ethernet interfaces, which can realize serial to WiFi, serial to Ethernet, Ethernet to WiFi, etc. It has multiple power supply interfaces on board, which supports 6 to 36V wide voltage power supply, and can be equipped with PoE network port power supply version. 3、CONVENIENT INSTALLATION: Industrial grade metal housing design, support wall and rail mounting, compact size, easy to install, suitable for data acquisition, IoT gateway, security IoT and smart meter monitoring and other fields. 4、SUPPORT TCP SERVER: Industrial Serial Server RS232/485 to WiFi and Ethernet support TCP server, TCP client, UDP server, UDP client transparent transmission mode, multiple configuration modes, AT command mode, socket distribution protocol, hardware protection, customized registration packets, heartbeat packets. 5、SUPPORT MULTIPLE MODES: Serial to ethernet converters support AP mode, STA mode, AP + STA mode multiple wireless networking mode, support APLAN, APWAN, router, bridge mode multiple wired networking mode.