3onedata serial device server provides a series of desktop, DIN rail type or rackmount type serial to Ethernet converters. It supports web, SNMP and Telnet management functions, RealCom, TCP server, TCP client, UDP server and UDP client work modes, can meet the demand of a variety of network management functions in industrial field. The NP series serial device server can connect RS-232/422/485 serial port equipment to the industrial Ethernet network through the network port, and provide data communication for remote monitoring serial equipment through the Ethernet communication protocol.