Methods and apparatuses to provide fault monitoring for a...

G - Physics – 06 – F

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G06F 15/173 (2006.01)

Patent

CA 2628483

Various methods, apparatuses, and systems in which fault monitoring is provided to a network interface device are described. In one embodiment, an apparatus includes a network interface device (NID) located outside a building and a power supply unit located inside the building. The power supply unit has one or more ports that couple via a phone line to the NID to provide a power signal to the NID. The apparatus further includes a monitor circuitry located in the power supply unit. The monitor circuitry monitors the power signal received by the NID via the phone line. The monitor circuitry checks for a fault condition of at least one phone device coupled to the phone line when the power signal changes by a predetermined amount.

La présente invention concerne plusieurs procédés, appareils et systèmes par le biais desquels une surveillance des pannes est procurée à un dispositif interface réseau. Dans un mode de réalisation, un appareil comprend un dispositif d~interface réseau (NID) situé hors d~un immeuble et une unité d~alimentation électrique située à l~intérieur de l~immeuble. L~unité d~alimentation électrique a un ou plusieurs ports qui sont couplés au NID via une ligne de téléphone de manière à procurer un signal électrique au NID. L~appareil inclut en outre un circuit de surveillance situé dans l~unité d~alimentation électrique. Le circuit de surveillance surveille le signal d~alimentation reçu par le NID via la ligne de téléphone. Le circuit de surveillance recherche un état de panne d~au moins un dispositif téléphonique couplé à la ligne de téléphone lorsque le signal d~alimentation est modifié par une quantité prédéfinie.

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