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国际电工委员会（ＩＥＣ）和国际铁路联盟（ＵＩＣ）为铁路车辆之间和车辆内互相联接的可编程设备制定了一项标准——《列车通信网络》（ＴＣＮ），其目的是有利于铁路运用部门、装配厂和设备供应商实现世界范围的车辆间的相互操作和插入式设备的联接。文章介绍了ＴＣＮ的体系结构，包括绞线式列车总线（ＷＴＢ）和多功能车辆总线（ＭＶＢ）的功能、技术参数、公共协议及网络管理，并对ＴＣＮ原型的开发、试验验证情况和标准草案工作进程作了简要的说明。
The International Electrotechnical Commission (IEC) and the International Union of Railroads (UIC) have set a standard for the interconnection of programmable equipment between railroad vehicles and between vehicles - the “Train Communication Network” (TCN), which aims to facilitate the use of railways Departments, assembly plants and equipment suppliers implement worldwide interoperability of vehicles and plug-in equipment. This paper introduces the architecture of TCN, including the functions of WTB and MVB, technical parameters, public protocol and network management. The development of TCN prototype, the verification of the prototype and draft standards The process of working made a brief description.