Method and architecture for fault protection on a broadband...

Details Method and architecture for fault protection on a broadband... Method and architecture for fault protection on a broadband...

2005-02-22

2005-02-22

Le, N. (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

C324S500000, C324S509000

Reexamination Certificate

active

06859044

ABSTRACT:
A method and architecture that uses a ground-fault-circuit-interrupter (“GFCI”) proximate the tap to provide fault protection along a Low Power Network drop cable. The solution is single-ended and effective regardless of the input, impedance and type of termination equipment, such as an NIU, connected thereto. The GFCI may be incorporated into a single enclosure that includes a power passing tap and filter device, such as a low pass filter and a splitter. Application will typically be in a CATV network employing center core powering or Siamese powering. Ground fault protection is provided to personnel that contact an energized conductor of the drop cable who would therefore otherwise become an electrical path between the energized conductor and ground. A device providing this protection is typically mounted along a network cable proximate a tap point reasonably is inaccessible, except to service personnel.

REFERENCES:
patent: 5793590 (1998-08-01), Vokey et al.
patent: 6128169 (2000-10-01), Neiger et al.
patent: 6608741 (2003-08-01), Macbeth

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