Alarm History At The Hdsl2 Interface; H2Tu-C Hdsl2 Alarm History Screen; Hdsl2 Alarm Descriptions - ADC HiGain H2TU-C-388 User Manual

152-388-100-02, Issue 2

Alarm History at the HDSL2 Interface

Figure 23 shows the H2TU-C HDSL2 alarm history, and
Monitor Performance
------------------------------------------------------------------------------
Alarm
LOSW
MAL
LA
HBER
SHORT
GND
OPEN
------------------------------------------------------------------------------
Press <Space> to cycle through
choices and <Enter> to view
ID: xxxx--xxxx--xxxx--xxxx
Screen Alarm Front-Panel Alarm Description
HDSL2 ALARMS at the H2TU-C and H2TU-R
LOSW LOSW
MAL MAL
LA LA
HBER HBER
HDSL2 ALARMS at the H2TU-C only
SHORT PWR FEED SHRT
GND PWR FEED GND
OPEN PWR FEED OPEN
H2TU-C-388 List 1
Event Log Config
H2TU-C HDSL2 Alarm History
First
04/03/00 00:00
04/03/00 00:37
Press: C(l)ear Alarm History
Interface
Statistics :
04/15/00 12:30:01
Figure 23. H2TU-C HDSL2 Alarm History Screen
Table 12. HDSL2 Alarm Descriptions
Loss of Sync Word—The HDSL2 loop has lost synchronization.
Margin—The margin on the HDSL2 loop has dropped below the minimum threshold value
set for the system.
Loop Attenuation—The attenuation on the HDSL2 loop has exceeded the maximum value
set for the HDSL2 loop attenuation threshold.
Block Error Rate—The HDSL2 BER has exceeded the set threshold limits of
-6 - 7
10 or 10 .
Indicates a short between the Tip and Ring of the HDSL2 pair.
The HDSL2 loop is grounded.
Indicates a line power open condition.
Table 12 describes the alarms.
Inventory Rlogon
Last Status
04/03/00 00:45 ALARM
OK
OK
04/03/00 00:45 OK
OK
OK
OK
: H2TU-C HDSL2
Alarm History
H2TU-C
June 6, 2000
Monitoring System Activity and Performance
Help
Count
12
0
0
7
0
0
0
System: Alarm
33