介绍了城市轨道交通列车通信网络系统中的多功能车辆总线及列车通信网络故障的显示与定位方式.描述了紧挨着中继器的设备频繁离线故障的现象, 并结合IEC61375标准分析了造成该类故障的原因.提出了针对该类故障的解决方案.%The display and location method of multifunction vehicle bus and communication network fault in rail transit TCM S are introduced, the frequent offline faults of the device next to the repeater are described, and then analyzed based on the IEC 61375 Standards. Finally, suggestions for solving the similar faults are proposed.
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