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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter 13 Alarm Monitoring and Management
13.4.5 Conditions Tab
13.4.5 Conditions Tab
The Conditions window displays retrieved fault conditions. A condition is a fault or status detected by
ONS 15454 SDH hardware or software. When a condition occurs and continues for a minimum period,
CTC raises a condition, which is a flag showing that this particular condition currently exists on the
ONS 15454 SDH.
The Conditions window shows all conditions that occur, including those that are superseded. For
instance, if a network problem causes two alarms, such as LOF and LOS, CTC shows both the LOF and
LOS conditions in this window (even though LOS supersedes LOF). Having all conditions visible can
be helpful when troubleshooting the ONS 15454 SDH. If you want to retrieve conditions that obey a
root-cause hierarchy (that is, LOS supersedes and replaces LOF), you can exclude the same root causes
by checking a check box in the window.
Fault conditions include reported alarms and Not Reported or Not Alarmed conditions. Refer to the
trouble notifications information in the Cisco ONS 15454 SDH Troubleshooting Guide for more
information about alarm and condition classifications.
13.4.6 Controlling the Conditions Display
You can control the display of the conditions on the Conditions window. Table 13-5 shows the actions
you can perform in the window.
13.4.6.1 Retrieving and Displaying Conditions
The current set of all existing conditions maintained by the alarm manager can be seen when you click
the Retrieve button. The set of conditions retrieved is relative to the view. For example, if you click the
button while displaying the node view, node-specific conditions are displayed. If you click the button
while displaying the network view, all conditions for the network (including ONS 15454 SDH nodes and
other connected nodes) are displayed, and the card view shows only card-specific conditions.
You can also set a node to display conditions using the time zone where the node is located, rather than
the time zone of the PC where they are being viewed. See the “13.4.1 Viewing Alarms With Each Node’s
Time Zone” section on page 13-5 for more information.
Table 13-5 Conditions Display
Button Action
Retrieve Retrieves the current set of all existing fault conditions, as maintained by
the alarm manager, from the ONS 15454 SDH.
Filter Allows you to change the Conditions window display to only show the
conditions that meet a certain severity level or occur in a specified time. For
example, you can set the filter so that only Critical conditions display on the
window.
Note There is a Filter button on the lower-right of the window that allows
you to enable or disable the filter feature.
Exclude Same Root
Cause
Retrieves conditions that obey a root-cause hierarchy (for example, LOS
supersedes and replaces LOF).