Snet 2012 series of serial port Ethernet servers are a type of industrial and multi-functional serial to Ethernet equipment developed by Hangzhou AOBO Telecom Co., Ltd. and integrate the TCP/IP protocols internally. The products are used for the data transmission between the serial port and Ethernet and add the Ethernet interface for the serial port equipment conveniently. It can be used for the remote communication between the serial port device and PC machine or between several serial port devices. Snet 2012 series of serial port Ethernet server equipment offers the industrial level product with the wide temperature range and is capable of the operation under the temperature of -40℃~85℃. It has the 10M/100M self-adaptation Ethernet interface and the maximum Baud rate of the serial port communication is 115.2Kbps. It supports the multi-connection, allows the simultaneous management of a embedded module equipment by no more than 4 users and offers several working modes, such as TCP Server, TCP Client, UDP and Real COM. Furthermore, the remote configuration method is also supported to facilitate the users to set relevant configuration parameters flexibly and conveniently.