| 摘要 |
PROBLEM TO BE SOLVED: To provide a network management system that allows a system to be rebuilt readily, even when there is a switch in the configuring train, or configuration of the cars of the number of cars within a single train is changed.SOLUTION: Surveillance equipment, which includes surveillance cameras 1-1 to 1-4, ..., and image recording devices 1-5, .., etc., is networked in each car 21a, 21b, .... Each of the car networks is configured as a LAN, and an inter-car network is configured as a WAN, by connecting a router 1-10 (RT1), ... to the LAN of each car. For the surveillance equipment in each of cars 21a, 21b, ..., identical equipment and equipment installed in identical locations in each car is connected to ports with identical port numbers, and allocated identical LAN addresses. Also, for accessing from the WAN side, which equipment is accessed is defined solely by the difference in port number, it is possible to configure the network information of a switched car, merely by changing the WAN address setting of the router 1-10 (RT1), .... |
