(This article introduces the composition, structure and use of each subsystem of the railway disaster prevention safety monitoring system. Taking the Wuhan-Guangzhou Passenger Dedicated Line as an example, it analyzes the data flow of each subsystem of the system and the demand for communication transmission channels. Based on the construction status of the railway communication network, a proposal on the transmission interface and network structure of the disaster prevention safety monitoring system is put forward for reference in future railway construction.
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