| 摘要 |
PURPOSE:To attain ease of fault in the supervision of a supervising system itself by duplicating a collecting bus and a supervising device in a system collecting supervising information collecting buses to a central supervising center for the supervision of the operating state of plural stations to be supervised. CONSTITUTION:Stations to be supervised LO being terminal stations are tied by relay stations TO so as to attain data transmission among the supervised stations. The plural relay stations TO are connected to a centralized supervising center CMOC for the supervision and test of the system. The center CMOC is provided with a signal distributor, alarm receiving sections AIMR#0-#n and a system supervising console SSCNS. Information collecting buses MBS between the console SSCNS and the alarm receiving sections ALMR#0-#n and connecting lines CNW between the console SSCNS and an alarm display section ALDE are constituted respectively as duplicate systems, Thus, generation of fault of the supervising system itself is supervised rapidly. |
