摘要 |
PROBLEM TO BE SOLVED: To realize a highly reliable in-train communication system which is high in realtime property and which has a bypass function against a failure or the like of a communication device. SOLUTION: The in-train communication system comprises: control data communication systems 100 connected to in-train equipment 400 including an operation table device 300 installed in the train comprised of a plurality of cars coupled to each other; and control data repeating devices 200 for transmitting and receiving control data transferred to adjacent cars. The control data communication devices 100 and the control data repeating devices 200 in cars are connected in bus topology by communication lines, and the control data repeating devices 200 between the adjacent cars are connected by the communication lines. COPYRIGHT: (C)2009,JPO&INPIT
|