Firstly, the paper is about the development of communication management machine used in the second version of KT2000 substation automation system, which combining the Ethernet and serial communication technology.

• 论文在对变电站自动化系统中通信网络的要求和发展趋势,以及以太网技术性能和相关网络协议进行分析的基础上,确定了以一个以太网接口和4个串行通信接口结合的通信管理机实现方案。