Fault evaluating system for transmission apparatus

Details Fault evaluating system for transmission apparatus Fault evaluating system for transmission apparatus

1996-11-22

1999-10-05

Horabik, Michael

Multiplex communications

Diagnostic testing

Fault detection

370244, 370247, G01R 3108

Patent

active

059635452

ABSTRACT:
In a fault evaluating system for a transmission apparatus having four packages which are mutually duplexed in both transmission and reception directions and bridged to oppose each other, each package includes a fault detection unit, a fault information extraction unit, a fault information insertion unit, and a fault evaluating unit. The fault detection unit individually detects an abnormality in signals transmitted from duplexed opposing packages. The fault information extraction unit individually extracts fault information representing a fault package, which is contained in the signals transmitted from the duplexed opposing packages. The fault information insertion unit generates fault information representing the fault package in accordance with a detection output from the fault detection unit, inserts the generated fault information and the fault information extracted by the fault information extraction unit in a signal to be transmitted, and sends back the signal to the duplexed opposing packages. The fault evaluating unit specifies the fault package on the basis of the detection output from the fault detection unit and the fault information from the fault information extraction unit.

REFERENCES:
patent: 3686441 (1972-08-01), Thomas
patent: 5408462 (1995-04-01), Opoczynski
patent: 5461607 (1995-10-01), Miyagi et al.

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