View Alarm History Screen - ADC HiGain HLU-432 User Manual

Provisioning

View Alarm History Screen

Press G at the Maintenance Terminal Main Menu to open the Alarm History screen. This screen allows you to
view alarms that are currently active. In the Alarm History screen
• 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.
•
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:
• U
Press to update the screen.
• S
Press to view another span (for doubler applications).
•
Press C to clear all data from the screen.
•
Press 1 , 2 , 3 , 4
•
Press E to exit from the Alarm History screen.
Table 11 lists the Alarm History fields and descriptions. These descriptions apply to the Alarm History for doubler
applications as well.
Field
Type
LOS, DS1-HLU
LOS, DS1-HRU
BER
Span n LOSW, HDSL1
Span n LOSW, HDSL2
Span n Margin L1
Span n Margin L2
PWR-SHRT
PWR-GND
Last Cleared:
32
, or 5 to select a specific span (for doubler applications).
Table 11. Alarm History Fields and Descriptions
Description
Identifies the type of alarm
First and last instance of LOS at the HLU, current condition, number of alarms
First and last instance of LOS at the HRU, current condition, number of alarms
First and last instance of a BER at the HRU, current condition, number of alarms
First and last instance of LOSW on HDSL1, current condition, number of alarms
First and last instance of LOSW on HDSL2, current condition, number of alarms
First and last instance when margin dropped below the established threshold on Loop 1, current
condition, number of alarms
First and last instance when margin dropped below the established threshold on Loop 2, current
condition, number of alarms
Power short condition, current condition, number of alarms
Power ground condition, current condition, number of alarms
Last time Alarm History cleared, current condition, number of alarms
July 18, 2002
150-432-100-02, Revision 02
(Figure 16 and Figure 17 on page 33) the:
HLU-432 List 1