3Com S330 manual Viewing and Printing History Alarms, Clearing History Alarms

178CHAPTER 5: PATHBUILDER S330 DIAGNOSTICS AND PERFORMANCE STATISTICS

Working with History All alarms and information events are captured and kept in an alarm history file in Alarms the PathBuilder S330/S310. This file can hold up to 300 events; it fills on a

first-in/first-out basis. We recommend that you routinely view the alarm history file before events are lost. We also recommend that you print the file for comparison with previous history files and entry into your maintenance log.

Viewing and Printing History Alarms

To view and print an alarm history, follow these steps:

1From the Main menu, select [3] Fault Management to display the Fault Management menu shown in Figure 133.

2Select [3] Display History Alarms to view the alarm history. Figure 135 shows a sample alarm history.

Figure 135 Sample Alarm History Display

If the history file cannot be displayed on one page, the Display History Alarm screen will include a prompt to press [n] for the next page or press [p] for the previous page.

3Use the print screen or other printing feature of your NMS station to print out each page of the history file.

4Compare the printouts to your most previous records to see if there are any obvious trends, such as more frequent alarms of a certain type, which might require troubleshooting.

Clearing History Alarms

After you have printed the alarm history, you should clear the alarms so that they will no longer take up space in the alarm history file. To do this, follow these steps:

1Return to the Fault Management menu.

2Select [4] Clear History Alarms.

3Enter y in response to the confirmation prompt to clear the history alarms.