| 摘要 |
PROBLEM TO BE SOLVED: To provide a system which is suitably applied to exchange diagnostic service, can shorten the time needed to specify the cause of a fault when the fault is detected, and is handled without referring to a manual. SOLUTION: Fault information is displayed as a message on a maintenance console and can be heard in detail from a terminal that an exchange accommodates by providing a diagnosing means which detects an exchange fault, a fault logging output means which outputs the detection result to the maintenance console, and a voice message output means which stores voice messages prepared by fault logging in a storage part and outputs the voice message corresponding to an output indication to a communication channel. In a suitable example, the fault logging is swept on the maintenance console and further information for fault cause specification which is entered into a construction maintenance manual is recorded in a voice device, so that an exchange service engineer can listen to voice information through an arbitrary terminal (telephone set).
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