| 摘要 |
PURPOSE:To confirm the alarm information with detailed content same as that of a host station by holding alarm information from each remote station at every station, providing a remote station number display section and displaying the alarm information through the designation of station. CONSTITUTION:Plural remote stations 1-4 send respectively alarm information to a host exchange station 5. A remote station alarm line concentrator 6 collects alarm information of the remote stations and sends the result to an alarm display device interface device 7. The interface device 7 receives the alarm information of each remote station through the line concentrator and writes the alarm information in an alarm information memory device 8 at every station. Through the operation above, the host exchange station 5 always stores the alarm information of each remote station. When an alarm display controller 10 receives a station number, the station number is outputted for display to a remote station number display section 12 to display the alarm information sent successively afterward onto an alarm display section 13.
|
