Multiplex communications – Diagnostic testing – Fault detection
Reexamination Certificate
2008-04-22
2008-04-22
Ngo, Ricky Q. (Department: 2616)
Multiplex communications
Diagnostic testing
Fault detection
C370S252000
Reexamination Certificate
active
10749049
ABSTRACT:
In accordance with the teachings of the present invention, a method and apparatus is presented for determining minutes of outage. Information associated with a facility hierarchy is acquired. In one embodiment, the facility hierarchy is a SONET facility hierarchy. Outage is determined for each level in the hierarchy and a correlation is performed on the outages associated with each level in the hierarchy.
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Eslambolchi Hossein
Linker Kerrie
Novokshanov Alexander
Stewart Harold J.
Yankin Denis
AT&T Corp.
Koba Wendy W.
Mui Gary
Ngo Ricky Q.
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