Method and apparatus for providing power to a network interface device via telephone lines
First Claim
Patent Images
1. A apparatus comprising:
- a network interface device (NID) located outside a residence; and
a power supply unit located inside the residence, the power supply unit having an electrical isolation component and one or more ports that couple via a first phone line and a second phone line to the NID to provide isolated direct current (DC) power to the NID.
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Abstract
A method, apparatus, and system in which one embodiment includes a network interface device (NID) located outside a building and a power supply unit located inside the building. The power supply unit has an electrical isolation component and one or more ports that couple via a first phone line and a second phone line to the NID to provide isolated DC power to the NID.
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Citations
22 Claims
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1. A apparatus comprising:
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a network interface device (NID) located outside a residence; and a power supply unit located inside the residence, the power supply unit having an electrical isolation component and one or more ports that couple via a first phone line and a second phone line to the NID to provide isolated direct current (DC) power to the NID. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system comprising:
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a network interface device (NID); a digital subscriber loop access multiplexer couples to the NID located outside a building; and a power supply unit located inside the building, the power supply unit having an electrical isolation component and one or more ports that couple via a first and a second phone line to the NID to provide isolated direct current (DC) power to the NID. - View Dependent Claims (14, 15, 16)
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17. A method comprising:
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sending an isolated direct current (DC) signal from a power supply unit located in a dwelling to a network interface device (NID) located outside a dwelling via a first phone line of a first ring/tip pair; and returning the isolated DC signal from the NID to the power supply unit via a second phone line of a second ring/tip pair. - View Dependent Claims (18, 19, 20)
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21. An apparatus comprising:
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means for sending an isolated direct current (DC) signal from a power supply unit located in a dwelling to a network interface device (NID) located outside a dwelling via a first phone line, which is one wire of a first ring/tip pair; and means for returning the isolated DC signal from the NID to the power supply unit via a second phone line, which is one wire of a second ring/tip pair. - View Dependent Claims (22)
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Specification