Communicating signals through two twisted pairs

Details Communicating signals through two twisted pairs Communicating signals through two twisted pairs

2007-12-18

2010-12-28

Ferris, Derrick W (Department: 2463)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via frequency channels

C370S254000

Reexamination Certificate

active

07860130

ABSTRACT:
In one embodiment, a method includes communicating with a Digital Subscriber Line (DSL) transceiver unit through a first twisted pair that comprises a first plurality of wires, and communicating with the DSL, transceiver unit through a second twisted pair that comprises a second plurality of wires. A training procedure is implemented to receive first signals from the DSL transceiver unit through the first plurality of wires of the first twisted pair, and to send second signals to the DSL transceiver unit through the second plurality of wires of the second twisted pair.

REFERENCES:
patent: 2005/0213648 (2005-09-01), Chow
patent: 2007/0153835 (2007-07-01), Khasnis
PCT Notification of Transmittal of the International Search Report and the Written Opinion of this International Searching Authority, Applicant's File Reference F-953771C-PC, International Application No. PCT/US2008/086763, 9 pages, Apr. 2, 2009.
Pending U.S. Appl. No. 11/500,822 entitled, “Methods and Systems For a Customer Premise Equipment to Reverse the Upstream Speed and Downstream Speed of a Network Connection”, 29 pages specification, claims and abstract, 7 pages of drawings, filed Aug. 7, 2006.

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