Power ramp-up in a line-powered network element system

Details Power ramp-up in a line-powered network element system Power ramp-up in a line-powered network element system

H - Electricity

04

M

H04M 1/00 (2006.01) H04M 9/00 (2006.01)

Patent

CA 2527283

A method of ramping up a power supply that supplies power on a communication medium. The method includes supplying power on the communication medium with the power supply operating at a first set point, determining if an overload condition exists, and, if the overload condition does not exist, signaling a first alarm. If the overload condition exists, power is supplied on the communication medium with the power supply operating at a second set point. It is determined if the overload condition continues to exist while operating the power supply at the second set point. If the overload condition continues to exist while operating the power supply at the second set point, a second alarm is signaled.

L'invention concerne un procédé permettant d'accroître l'apport d'énergie alimentant un moyen de communication. Ce procédé consiste à alimenter le moyen de communication à partir d'une source d'alimentation fonctionnant à une première valeur de consigne, à détecter un état de surcharge éventuel, et en l'absence d'état de surcharge, à transmettre une première alarme. Si un état de surcharge est détecté, le moyen de communication est alimenté à partir d'une source d'alimentation fonctionnant à une seconde valeur de consigne. L'étape suivante consiste à détecter si l'état de surcharge persiste après que l'alimentation est fournie avec la seconde valeur de consigne, et si cet état de surcharge persiste pendant que l'alimentation est fournie avec la seconde valeur de consigne, à activer un second signal d'alarme.

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