Alcatel-Lucent 1643 AMS User's Operation Manual page 621

Performance monitoring
Example of Loss of Association
In the example below the association with the management system has been lost for
six hours. Because this NE does have sixteen 15 minutes unidirectional bins only 4
hours of data can be recovered.
On connection
While performance monitoring is active the network element will store its most recent
data in its bins. On connection the management system will retrieve all data present in
the bins.
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365-312-807R7.2
Issue 4, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
Data Storage and Recovery
10-39