4

 

 

 

 

 

 

 

Table 4-3 NET Statistics Items (Continued)

 

 

Parameter

Definition

 

 

UAS

Unavailable Seconds. This display provides the number of UAS that have occurred in

 

the accumulation period. At the onset of 10 consecutive SES events, a period of

 

unavailable seconds begins. These 10 seconds are part of the unavailable seconds

 

count. At the onset of 10 consecutive non-SES events, a new period of available time

 

begins. These 10 seconds are part of available time.

 

UAS occurs as soon as a Red Alarm is invoked (such as after two seconds of LOS.)

 

ES, SES, and BBE are not counted during unavailable time. Rate parameters ESR,

 

SESR, and BBER are the ratio of the fault-seconds count to the total seconds in

 

available time.

 

 

 

Event History

Use this screen to review and clear the DL3800E unit alarm and status history.

To view the EVENT HISTORY, move the highlight bar to EVENT HISTORY in the NODE MAIN MENU, and press Enter. Use the up and down keys to move to the next or previous page of the EVENT HISTORY MENU.

Terminal Interface

4-15

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Quick Eagle Networks DL3800E manual Event History, Uas