Error Log - AT&T Network Adapter 25 Installation And Maintenance Manual

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ERROR LOG

When a system maintenance object fails periodic testing, the system
automatically generates an error record. Depending on severity, the record is
stored in one of three tables in the Error Log. The Error Log contains the
following three error tables:
P e r m a n e n t S y s t e m A l a r m s :
degradation of service and require immediate attention. These
alarms will light the Alarm LED on the Attendant Console and are
stored in the Error Log Permanent System Alarm table. This type of
alarm also lights a red LED on an 'associated CP. A red lighted LED
is a visual signal that service is required.
Transient System Errors:
cause degradation of service, although they do not light the Alarm
LED on the Attendant Console. Transient System Errors have not
yet been verified by system self-tests, and/or have not reached the
level of a Permanent System Alarm.
If a transient system error is verified or reaches a certain level of
severity, it is reclassified as a Permanent System Alarm, and the
Alarm LED on the Attendant Console lights. Transient system errors
are stored in the Transient System Error table. The system stores up
to 40 Permanent System Alarms and Transient System Errors in
their respective tables in the Error Log.
Most Recent System Errors:
recorded by the system, regardless of their severity. They do not
light the Alarm LED on the Attendant Console unless they escalate
to a Permanent System Alarm.
The Error Log is accessible through the SAT. Each error record is reported
as one line on the SAT (80 characters or fewer). Permanent System Alarms
and Transient System Errors tables use the same format. These error
records provide the location of the error (by port and CP type), the date and
time of the first occurrence and last occurrence of the error, the number of
times the error has occurred, and a description of the error.
These are failures that cause
These are potential failures that may
These are the ten most recent errors
MAINTENANCE
4-27

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