History Window - Cisco ONS 15600 Reference Manual

11.2.5 History Window

11.2.5 History Window
The History window displays historical alarm data. It also displays conditions, which are Not Alarmed
activities such as timing changes and threshold crossings. For example, protection-switching events or
performance-monitoring threshold crossings appear here. The ONS 15600 SDH can store up to 3,000
total alarms and conditions: 750 Critical alarms, 750 Major alarms, 750 Minor alarms, and 750
conditions. When the limit is reached, the ONS 15600 SDH begins replacing the oldest items. The
History window presents several alarm history views:
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•
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In the Preference dialog box General tab, the Maximum History Entries value applies to only the Session
Note
window.
Double-click an alarm in the History window to display the corresponding view. For example,
Tip
double-clicking a card alarm takes you to card view. In network view, double-clicking a node alarm takes
you to node view.
Cisco ONS 15600 SDH Reference Manual, Release 9.0
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The History > Session window appears in network view, node view, and card view
shows alarms and conditions that have occurred during the current user CTC session.
The History > Shelf window appears only in node view. It shows the alarms and conditions that have
occurred on the node since CTC software was originally activated for that node.
The History > Card window appears only in the card view. It shows the alarms and conditions that
have occurred on the card since CTC software was installed on the node.
Chapter 11 Alarm Monitoring and Management
(Figure 11-4). It
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