Power supply for ethernet LAN connected telephone
First Claim
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1. A powering arrangement for providing power to an Ethernet connected device, comprising:
- a power unit connected to a first cable carrying two signal wire pairs and two spare wire pairs, and connected to a second cable carrying two signal wire pairs and two spare wire pairs;
means within said power unit for connecting said signal wire pairs and a first one of said two spare wire pairs of said first cable to signal wire pairs and a first one of said two spare wire pairs of said second cable; and
a source of power within said power unit, connected to a second one of said two spare wire pairs of said second cable for providing power to said device.
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Abstract
A powering arrangement for providing power to an Ethernet connected device, comprising a power unit connected via a first terminal to the device and via a second terminal to an Ethernet cable carrying two signal wire pairs and two spare wire pairs. A connection is provided within the power unit for interconnecting the signal wire pairs and a first one of the two spare wire pairs to the device, and a source of power is provided within the power unit connected to a second one of the spare wire pairs from the device for providing power thereto.
48 Citations
4 Claims
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1. A powering arrangement for providing power to an Ethernet connected device, comprising:
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a power unit connected to a first cable carrying two signal wire pairs and two spare wire pairs, and connected to a second cable carrying two signal wire pairs and two spare wire pairs;
means within said power unit for connecting said signal wire pairs and a first one of said two spare wire pairs of said first cable to signal wire pairs and a first one of said two spare wire pairs of said second cable; and
a source of power within said power unit, connected to a second one of said two spare wire pairs of said second cable for providing power to said device. - View Dependent Claims (2, 3, 4)
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Specification
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Current AssigneeMitel Networks Corporation
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Original AssigneeMitel Knowledge Corporation (Mitel Networks Corporation)
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InventorsOddy, Douglas, Moss, Gayle, Hatchell, Ann
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Primary Examiner(s)Sterrett, Jeffrey
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Assistant Examiner(s)Laxton, Gary L.
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Application NumberUS09/710,174Time in Patent Office732 DaysField of Search340/310.01, 340/310.08, 340/999, 370/271, 375/257, 455/3.03, 379/102.04US Class Current340/999CPC Class CodesH04M 19/08 with current supply sources...
