An object is to enable wireless communication between a portable terminal and on-board devices, and enable wireless connection to a train composition to be subjected to maintenance even in the presence of a plurality of train compositions. A control transmission device is mounted on a train and includes: a port connectable by wire to a maintenance communication device that is an external terminal; a train composition number notification unit that provides notification of a train composition number of the train; and a wireless network ID reception unit that receives a wireless network ID for constructing a wireless network. The wireless network ID received by the wireless network ID reception unit is generated based on the train composition number provided by the train composition number notification unit.
Control transmission device, maintenance communication device, and train maintenance system
2021-03-16
Patent
Electronic Resource
English
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