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Cisco ONS 15454 SDH Product Overview, R3.4
September 2002
Cisco ONS 15454 SDH Product Overview
Alarm Collection and Display
CTC Display
Alarms (cleared or active), conditions, and events are displayed in one of five
background colors to quickly communicate the alarm severity. You can control the
display of current and cleared alarms generated on the node. Information displayed
includes the date, time, severity, reporting node, reporting object,
service-affecting status, and description of the alarm or event (Figure 16).
Figure 16 Viewing alarms for the current session
CTC displays historical alarm data and shows events (non-alarmed occurrences)
such as performance monitoring threshold crossings or protection switching
events. CTC presents the following two alarm history views:
• Session subtab—Presents alarm and event messages for the current CTC
session. When you log off, the alarm list generated during the CTC session
disappears.
History tab Node view
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