In Outage Manager you can find Node Combining Network (NCN) Outage Alarms. NCN Alarms are alarms above the level of the fiber node. Refer to Related information for details.
A NCN Outage Alarm is designated by the icon 
in the Fiber Node column, in the Global alarms table and in Alarms view.
To troubleshoot a NCN Outage alarm
- In Global view, find an alarm that shows an NCN Outage Alarm icon .
- Click the arrow
to expand the row and open the sub-table. - The Info tab indicates the most likely location of the problem in the HFC network.
For NCN Alarms, the tab lists 2 items that do not appear for Fiber Node alarms:
- Organizational Path: Indicates the path from the top of the Hierarchy to the Hub.
- Affected Component: Indicates the component that is the source of the problem. The picture above shows the problem at Hub2.
- For additional information, click the Affected FNs tab in the sub-table.
The tab lists all the fiber nodes involved in the NCN Alarm.
- Click the Info link at the end of the breadcrumbs to see the segment and service group associated with the Outage.
A box opens that contains contextual information about the fiber node.