Multiplex communications – Diagnostic testing – Fault detection
Reexamination Certificate
2006-04-11
2006-04-11
Nguyen, Chau (Department: 2661)
Multiplex communications
Diagnostic testing
Fault detection
C370S252000, C379S001040
Reexamination Certificate
active
07027405
ABSTRACT:
A method and system analyzes a telephone local loop and includes a central office operatively connected to the telephone local loop. A bandwidth analysis system is operatively connected to the central office and operative for determining the physical loop faults within the loop; qualifying the local loop for a particular Digital Subscriber Line (DSL) technology; and quantifying the local loop by calculating the transmit signal Power Spectral Densities (PSD) and calculating upstream and downstream data rates for particular DSL technology.
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GR-303-CORE, Integrated Digital Loop Carrier System Generic Requirments, Objects, and Interface; Dec. 2000, Telcordia Technologies, Issue 4, sections 1-3.
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Fluke Corporation
Moore Ian N.
Nguyen Chau
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