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Fault diagnosis for space-division digital switching network in large-scale SPC telephone switching systems

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1 Author(s)
Yang Fang-chun ; Beijing Univ. of Posts & Telecommun., China

A practical fault diagnosis algorithm for the space-division digital switching network of SPC switching systems is proposed. Its main idea is to sensitize multiple faults to the output of parity checkers in the network using a very short test code sequence. Its advantages over other algorithms are lower diagnosis time, higher fault covering rate and no fault dictionary. The fault types include both stuck-at and bridging faults. Functional faults are also detected

Published in:

Circuits and Systems, 1991. Conference Proceedings, China., 1991 International Conference on

Date of Conference:

16-17 Jun 1991

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