150-319-205-05, Issue 5
Maintenance
ELU-319 List 5E and List 6E
January 26, 2000
37
V
IEW
A
LARM
H
ISTORY
The View Alarm History screen allows you to view alarms that are currently active. In the Alarm History screen
the following is displayed:
•
First and Last columns contain the time and date stamp of the first and last occurrence of each alarm
•
Current column shows the status of each alarm.
•
The count column lists the number of times each alarm occurred.
•
The maximum non-overflowing count is 999.
From each Alarm History screen you can do the following:
•
Press
to update the screen.
•
Press
to view another span.
•
Press
to clear all data from the screen.
•
Press
to exit from the Alarm History screen.
Table 17
lists the Alarm History fields and descriptions. These descriptions apply to the Alarm History for doubler
applications as well.
Table 17.
Alarm History Fields and Descriptions
Field
Description
Type
Identifies the type of alarm.
LOS, G.703-ELU
First and last instance of LOS at the ELU; Current condition, number of alarms.
LOS, G.703-ERU
First and last instance of LOS at the ERU; Current condition, number of alarms.
BER
First and last instance of a BER at the ERU; Current condition, number of alarms.
Span 1 LOSW, HDSL1
First and last instance of LOSW on HDSL1; Current condition, number of alarms.
Span 1 LOSW, HDSL2
First and last instance of LOSW on HDSL2; Current condition, number of alarms.
Span 1 Margin L1
First and last instance of exceeded margin on Loop 1; Current condition, number of alarms.
Span 1 Margin L2
First and last instance of exceeded margin on Loop 2; Current condition, number of alarms.
PWR-SHRT
Power short condition; Current condition, number of alarms.
PWR-GND
Power ground condition; Current condition, number of alarms.
Last Cleared: None
Last time Alarm History cleared; Current condition, number of alarms.
U
S
C
E
