【摘要】 报告了一种用于高速试验列车动车内连接主控节点与各受控设备的光纤总线网．该总线网作为高速列车通信网的重要组成部分，以光纤作为媒质，结构简单，并具有高可靠性和高实时性．对其网络结构、关键技术及硬件结构和软件设计进行了详细的讨论，并给出了电磁兼容性试验结果更多还原

【Abstract】 This paper reports a kind of network with optical fiber bus used for connecting main control node with controlled devices in locomotive of a high speed trial train. As the important part of the high speed train’s transmission network,it uses optical fiber as transmission medium and has simplicity, high reliability and better real time quality. The network architecture, main feature, key technique, hardware structure, software design and test results on electromagnetic compatibility are detailed given.更多还原