Optical line terminal that detects and identifies a rogue ONT

Details Optical line terminal that detects and identifies a rogue ONT Optical line terminal that detects and identifies a rogue ONT

2005-05-06

2008-12-23

Taylor, Barry W (Department: 2617)

Multiplex communications

Communication over free space

Repeater

C370S432000, C370S241000, C370S242000

Reexamination Certificate

active

07468958

ABSTRACT:
An optical line terminal (OLT) determines when an optical network terminal (ONT) has become a rogue ONT, and then identifies the rogue ONT so that service can be restored. The OLT identifies the rogue ONT by comparing the received power levels with the levels that would be expected during normal operation.

REFERENCES:
patent: 5790293 (1998-08-01), Frigo
patent: 7230926 (2007-06-01), Sutherland et al.
patent: 7231145 (2007-06-01), Gerstel et al.
patent: 2003/0048502 (2003-03-01), Yu et al.
patent: 2005/0237974 (2005-10-01), Dotaro et al.
patent: 2006/0093356 (2006-05-01), Vereen et al.
patent: 2006/0198635 (2006-09-01), Emery et al.

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