Maintenance personnel have to perform the following tasks
• Identify alarms and/or performance degradation.
• Gather information about the alarms and/or performance degradation.
• Interpret alarm information:
– alarm location
– alarm priority (service affecting)
– correlate alarmset priorities in case of multiple alarms.
• Resolve alarms:
– determine strategies for correcting alarms and the consequences of these
strategies
– determine when best time to correct problems (depending on alarm severity)
– make an action plan to correct alarms or performance degradation
– divide tasks for execution of action plan
• Request to re-route traffic when sources are not available.
• Instruction to replace system parts.
• Instructions to perform specific measurements that can be used for analyzing the
problem.
• Check the results of the action plan and instructions.
• Restore the original network configuration when re-routing was necessary to correct
the problem.
• Perform preventive maintenance:
– gather performance data for preventive maintenance
– schedule tests/self-tests
– switch to protection parts if necessary to take corrective action.
How to use this information product
The Alarm Messages and Trouble Clearing Guide (AMTCG) is divided into a number
of chapters.
This guide is divided into the following chapters:
• About this guide: Brief description over how to use this guide.
• Alarm Messages: This chapter holds an alphabetic list of all alarms for the related
network element.
• Glossary: In this chapter all the special terms and all the abbreviations and
acronyms, used in this manual, are listed.
About this information product
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xviii
Alcatel-Lucent - Proprietary
See notice on first page
365-312-803R7.2
Issue 4, May 2007
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