Alarm History At The Hdsl4 Interface; H4Tu-C Hdsl Alarm History Screen; Hdsl4 Alarm Descriptions - ADC H4TU-C-319 List 1 Line Unit User Manual

LTPH-UM-1031-03, Issue 3

Alarm History at the HDSL4 Interface

The HDSL4 Alarm History screens report alarms for the HDSL4 interface at the H4TU-C and H4TU-R.
shows the H4TU-C HDSL4 alarm history.
H4TU-R.
Monitor Performance
-----------------------------------------------------------------------------
Alarm
LOSW-LP1 01/15/02 16:45
MAL -LP1 01/15/02 16:44
LA -LP1
HBER-LP1
LOSW-LP2 01/15/02 16:45
MAL -LP2
LA -LP2
HBER-LP2
SHORT
GND
OPEN
-----------------------------------------------------------------------------
Use <Space> to cycle through
choices and <Enter> to view
ID: xxxx--xxxx--xxxx--xxxx
Screen Alarm Front-Panel Alarm
HDSL4 Alarms at the H4TU-C and H4TU-R
LOSW SPNn-LOSW
MAL xxxx-MALx
LA xxxx-LAx
HBER xxxx-HBRx
HDSL4 Alarms at the H4TU-C only
(a)
SHORT PWR FEED SHRT
(a)
GND PWR FEED GND
(a)
OPEN PWR FEED OPEN
(a) Displays only at the H4TU-C HDSL interface.
H4TU-C-319 List 1
Table 12
Event Log Config
H4TU-C HDSL
First
Press: C(l)ear Alarm History
Interface
Statistics :
02/01/2002 12:30:01
Figure 24. H4TU-C HDSL Alarm History Screen
Table 12. HDSL4 Alarm Descriptions
Description
Loss of Sync Word—The HDSL4 loop has lost synchronization.
Margin—The margin on the HDSL4 loop has dropped below the minimum threshold
value set for the system.
xxxx denotes TUC, TUR, or first (DU1U/DU1D) or second (DU2U/DU2D) doubler HDSL4
upstream or downstream interface. If TUC and TUR occur at the same time, then TUC
displays. The single x indicates Loop 1 or Loop 2.
Loop Attenuation—The attenuation on the HDSL4 loop has exceeded the maximum value
set for the HDSL4 loop attenuation threshold.
xxxx denotes TUC, TUR, or first (DU1U/DU1D) or second (DU2U/DU2D) doubler HDSL4
upstream or downstream interface. If TUC and TUR occur at the same time, then TUC
displays. The single x indicates Loop 1 or Loop 2.
Block Error Rate—The HDSL4 BER has exceeded the set threshold limits of 10
xxxx denotes TUC, TUR, or first (DU1U/DU1D) or second (DU2U/DU2D) doubler HDSL4
upstream or downstream interface. If TUC and TUR occur at the same time, then TUC
displays. The single x indicates Loop 1 or Loop 2.
Indicates a short between Loop 1 and Loop 2 of the HDSL4 pair.
One of the HDSL4 loops is grounded.
Indicates a line power open condition.
September 12, 2003
describes the alarms that are reported at the H4TU-C or
Inventory Report
Alarm History
Last Status
01/15/02 16:45 OK
01/15/02 16:44 OK
OK
DISABLED
01/15/02 16:45 OK
OK
OK
DISABLED
OK
OK
OK
: H4TU-C HDSL
Alarm History
H4TU-C
Monitoring System Activity and Performance
Rlogon Help
Count
1
1
0
0
1
0
0
0
0
0
0
-
System: Alarm
Figure 24
-6 - 7
or 10 .
37