Power supply for ethernet LAN connected telephone
AssigneeMitel Knowledge Corporation
InventorsDouglas Oddy, Gayle Moss, Ann Hatchell
Life of this patent
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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.
Claims4
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.
Dependencies are inferred from the claim text.