Alarm History At The Hdsl2 Interface; H2Tu-C Hdsl2 Alarm History Screen - ADC HIGAIN HDSL2 Manual

Monitoring System Activity and Performance

Alarm History at the HDSL2 Interface

The HDSL2 Alarm History screens report alarms at the H2TU-C and the H2TU-R.
HDSL2 alarm history.
Monitor Performance
------------------------------------------------------------------------------
Alarm
LOSW
MAL
LA
HBER
SHORT
GND
OPEN
------------------------------------------------------------------------------
Use <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 SPNn-LOSW
MAL xxx-MAL
LA xxx-LA
HBER xxx-HBER
HDSL2 ALARMS at the H2TU-C only
SHORT PWR FEED SHRT
GND PWR FEED GND
OPEN PWR FEED OPEN
40
Table 15 describes the alarms that are reported at the H2TU-C or H2TU-R.
Event Log Config
H2TU-C HDSL2 Alarm History
First Last
09/20/2000 00:00 09/20/2000 00:45
09/20/2000 00:37 09/20/2000 00:45
Press: C(l)ear Alarm History
Interface
Statistics :
09/20/2000 14:35:13
Figure 25. H2TU-C HDSL2 Alarm History Screen
Table 15. 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. (xxx denotes either TUC or TUR.)
Loop Attenuation—The attenuation on the HDSL2 loop has exceeded the maximum value
set for the HDSL2 loop attenuation threshold. (xxx denotes either TUC or TUR.)
Block Error Rate—The HDSL2 BER has exceeded the set threshold limits of
-6 - 7
10 or 10 . (xxx denotes either TUC or TUR.)
Indicates a short between the Tip and Ring of the HDSL2 pair.
The HDSL2 loop is grounded.
Indicates a line power open condition.
October 2, 2000
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Status
ALARM
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: H2TU-C HDSL2
Alarm History
H2TU-C System:
152-231-116-01, Revision 01
Figure 25 shows the H2TU-C
Count
12
0
0
7
0
0
0
Alarm
H2TU-C-231 List 1F