| 摘要 |
PURPOSE:To attain direct contact with a maintenance service personnel in a mobile radio station via an optional radio base station at each communication console panel by installing the communication console panel to each base station and connecting the communication console panel and each radio base station in wires via a controller. CONSTITUTION:Base station radio equipments (1-1) - (1-n), mobile radio stations (2-1) - (2-n) making maintenance service in the zone and communication console panels (3-1) - (3-n) attached to each base station are installed respectively along a railway or a road, etc. Each communication console panel and each base station radio equipment are connected to a controller 4 by a wire. When a mobile radio station makes a contact with an office of each base station, the call number of each communication console panel is depressed by using a selection button of the radio equipment. A tone is sent from the radio equipment by depressing the selection button and received by the controller 4 via a nearest base radio equipment from the radio equipment and the controller 4 is connected to a corresponding communication console panel. Thus, the operator in the communication console panel connected by a wired line 6 is in direct contact with the maintenance service personnel of the mobile radio station via the nearest base station radio equipment of the mobile radio station. |
