1000Base-T transmission over 2-pair

Details 1000Base-T transmission over 2-pair 1000Base-T transmission over 2-pair

2006-05-15

2010-06-01

Payne, David C (Department: 2611)

Pulse or digital communications

Transceivers

Transmission interface between two stations or terminals

C375S353000, C370S420000, C370S421000, C370S423000

Reexamination Certificate

active

07729416

ABSTRACT:
A method, an apparatus and a system for gigabit Ethernet (GbE) using only 2 pairs of wires for a single communications link are described. This network communication may be referred to as 2-pair 1000Base-T. GbE using only 2 wire pairs per link may offer increased port density over a conventional 1000Base-T link. As an alternative, 2-pair 1000Base-T may also provide increased link bandwidth over the existing 1000Base-T standard. When a given number of conventional links in a system are replaced by the same number of 2-pair 1000Base-T links, the system bandwidth may also be consequently increased. Transformers and power supplies may be combined with GbE utilizing only two wire pairs to provide power over Ethernet (PoE) solutions.

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PCT International Search Report dated Nov. 15, 2007.

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