Patent ID: 7840822

Claim:
A power feeding apparatus for a network hub comprising: a first communication cable connector, one end of which is connected to a communication cable, and the other end is connected to a communication cable connector on a POE-compliant power-feeding hub; a second communication cable connector, one end of which is connected to the communication cable, and the other end is connected to a communication cable connector on an ordinary hub that works on a power fed from a power adapter connected to a commercial power supply; a signal passing circuitry means for making communication signals pass between corresponding communication line pins of said first and second communication cable connectors; and a power producing means that charges a storage battery using a power supplied on the power source pins of said first communication cable connector and produces a predetermined voltage of power using said storage battery or said power supplied on said power source pins to output for feeding said ordinary hub with said predetermined voltage of power through a power feeding cable.