Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2005-12-02
2008-11-04
Nguyen, Hung T. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S502000, C340S506000, C340S507000, C340S521000, C340S531000, C340S657000, C340S870020, C370S356000, C370S401000, C701S057000
Reexamination Certificate
active
07446665
ABSTRACT:
Systems and methods for detecting power outages in communication networks are described. In one implementation, an alarm associated with a network error is detected. Attempts are made to contact the network equipment originating the alarm. The alarm is linked to an error that is identified as either a power outage or another type of error depending on the results of the attempts to contact the network equipment originating the alarm.
REFERENCES:
patent: 6646981 (2003-11-01), Kinouchi et al.
patent: 6963285 (2005-11-01), Fischer et al.
Bajpay Paritosh
Eslambolchi Hossein
McCanuel John
Yang Chen-Yui
AT&T Corp.
Nguyen Hung T.
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