Lucent Technologies LambdaXtreme Alarm Messages And Trouble Clearing Manual page 372

Alarm List
A status report that lists active alarms on the NE.
Alarm Log
A history of the setting and clearing of system alarms on the NE.
Alarm Severity
An attribute defining the priority of the alarm message. The way alarms are processed depends
on the severity.
Alarm Suppression
Selective removal of alarm messages from being forwarded to the GUI or to network
management layer OSs.
Angular Misalignment
Loss at a connector due to misaligned fiber end face angles.
Anomaly
Any deviation from normal behavior. Anomalies do not result in any consequent actions, but are
contributors to defects and performance monitoring counts.
ANSI (American National Standards Institute)
A United States standards body that accredits standards for programming languages,
communications and networking; it is the U.S. representative in the International Organization
for Standardization (ISO).
APC (Angle Polished Connector)
An 5"-15" angle on the connector tip for the minimum possible back reflection.
Apparatus Code
ASCII name assigned by the manufacturer to identify a particular circuit pack by pack type and
number.
APR (Automatic Power Reduction)
The lowering of the laser power to a limit that fits into class 1 category for handling fiber
cables. APR replaces the full power off feature known as ALS (automatic laser shutdown) or
APSD (automatic power shutdown).
AR (Antireflection coating)
A thin, dielectric or metallic film applied to an optical surface to reduce its reflection and
thereby, increase its transmission.
ASE (Amplified Spontaneous Emission)
An optical noise generated in an erbium-doped fiber amplifier (EDFA) with and without signal
input power.
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G L O S S A R Y
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See notice on first page
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Issue 1, June 2002