| 摘要 |
PROBLEM TO BE SOLVED: To simplify a maintenance operation and to improve the efficiency thereof by limiting a part to simultaneously perform fault evaluation to one package in a communication equipment or an information processor constituted of plural packages. SOLUTION: This system is provided with a flip-flop circuit 15 provided with a power-ON setting circuit 14 as a means for storing the packaging change history of an upstream package 20. A fault evaluation circuit 13 examines the packaging state and packaging change history of the upstream package 20, evaluates only the upstream package 20 as a fault at the time of first fault detection in an initial state after power is supplied, evaluates the present package 10 as the fault when a fault is still detected even after exchanging the upstream package 20 and thus, specifies the display of a fault part to one package. |
