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Chapter 11
Alarm Monitoring and Management
Table 11-6
Table 11-6
Column
Date
Node
Object
Eqpt Type
Shelf
Slot
Port
Path Width
Sev
SA
Cond
Description
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 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 begins replacing the oldest items. The History window
presents several alarm history views:
•
•
•
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.
lists the Conditions window column headings and the information recorded in each column.
Conditions Column Description
Information Recorded
Date and time of the condition
Shows the name of the node where the condition or alarm occurred. (Visible in network
view.)
TL1 AID for the alarmed object
Card type in this slot (only displayed in the network view and node view)
The shelf where the alarmed object is located. Visible in network view.
Slot where the condition occurred (only displayed in the network view and node view)
Port where the condition occurred
Width of the data path
Severity level: CR, MJ, MN, NA, NR
When checked, indicates a service-affecting alarm
Condition name; alphabetically listed and defined in the "Alarm Troubleshooting"
chapter of the Cisco ONS 15600 Troubleshooting Guide
Description of the condition
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.
11.2.5 History Window
Cisco ONS 15600 Reference Manual, R7.0
(Figure
11-4). It
11-7
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