Diagnostic method of equipment and system using the same

Details Diagnostic method of equipment and system using the same Diagnostic method of equipment and system using the same

H - Electricity

04

M

363/10

H04M 3/26 (2006.01) H04J 3/14 (2006.01) H04L 13/00 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 1278116

ABSTRACT OF THE DISCLOSURE In a digital switching equipment or a digital cross-connect equipment including a plurality of receiving circuits, a multiplexer, a time division switch, a demultiplexer, and a plurality of transmitting circuits, each of the receiving circuits or the multiplexer has a circuit to insert a specific sequence into filling time slots on a highway and each of the transmitting circuits and the demultiplexer has a circuit to detect the specific sequence inserted into the filling time slots such that when either one of the error detect circuits detects an error, a route change of the filling time slots is accomplished by means of the time division switch so as to predict a location of an occurrence of a failure depending on a change in a detection state of the error detect circuits in association with the route change.

556035

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