Method to detect missing filter/splitter and apparatus for...

Details Method to detect missing filter/splitter and apparatus for... Method to detect missing filter/splitter and apparatus for...

2011-07-19

2011-07-19

Flores, Leon (Department: 2611)

Pulse or digital communications

Testing

C375S219000, C375S220000, C375S222000, C370S250000, C370S493000, C379S001010, C379S001030, C379S001040, C379S009060, C379S010010

Reexamination Certificate

active

07983331

ABSTRACT:
A method to detect a defective or missing filter at a customer's side between a first connection having a first frequency spectrum and a second connection having a second frequency spectrum and using the same physical transmission medium as the first connection between said customer and a central office equipment (DSLAM), comprises the steps ofgenerating and transmitting at least one first type signal within said first frequency spectrumsimultaneously performing quality measurements on said second connection in said second frequency spectrum,analyzing said quality measurements for thereby concluding the presence or not of the correct functionality and presence of said filter.An apparatus for performing the method is as well disclosed.

REFERENCES:
patent: 6819745 (2004-11-01), Hollenbeck et al.
patent: 2002/0196908 (2002-12-01), Hollenbeck et al.
U.S. Appl. No. 11/313,922, filed Dec. 22, 2005, entitled Test Method and Apparatus for In-House Wiring Problems.

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