ADC HiGain HRU-402 Manual page 60

Initializing the Maintenance Terminal Screens
Table 11 lists the Alarm History fields and descriptions. These descriptions
apply to the Alarm History for doubler applications as well.
Table 11. Alarm History Fields and Descriptions
Field
Type
LOS, DS-1-HLU
LOS, DS-1-HRU
BER
Span1 LOSW,
HDSL1
Span1 LOSW,
HDSL2
Span1 Margin L1
Span1 Margin L2
PWR-SHRT
PWR-GND
Last Cleared:
52
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 BER (10
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 of exceeded margin on Loop 1 (current
condition, number of alarms)
First and last instance of exceeded margin on Loop 2 (current
condition, number of alarms)
First and last instance of a Power short condition
First and last instance of an HDSL grounded conductor detected
(current condition, number of alarms)
Last date and time Alarm History was cleared
December 8, 1998
-7 -6
or 10 ) threshold crossing (current
150-402-111-02
HRU-402 List 1A