Fault detection method and apparatus for telephone lines

H - Electricity – 04 – M

Patent

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Details

H04M 3/22 (2006.01) H04M 3/08 (2006.01) H04M 3/30 (2006.01)

Patent

CA 2477572

A method and apparatus for detecting faults on a telephone line, the method comprising: comparing measured characteristics of the line with a model, said model modeling expected characteristics of the telephone line; and in response to the comparison, generating a fault alert signal if the comparison between the measured characteristics and the modeled expected characteristics differ by more than a pre-determined threshold, wherein said characteristics comprise characteristics relating to the transmission of data on the line within a plurality of predetermined frequency bands.

L'invention concerne un procédé et un appareil de détection de défauts sur une ligne téléphonique. Ledit procédé comprend les étapes suivantes: comparaison de caractéristiques mesurées de la ligne avec un modèle, ledit modèle correspondant aux caractéristiques attendues de la ligne téléphonique; et, en réponse à cette comparaison, génération d'un signal d'avertissement de défauts, si la comparaison entre les caractéristiques mesurées et les caractéristiques modélisées attendues donne une différence supérieure à un seuil prédéterminé. Lesdites caractéristiques comprennent des caractéristiques relatives à la transmission de données sur la ligne dans une pluralité de bandes de fréquences prédéterminées.

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