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ADC H4TU-C-319 List 1 Line Unit Manuel D’Utilisation

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LTPH-UM-1031-03, Issue 3
 
Monitoring System Activity and Performance
H4TU-C-319 List 1
September 12, 2003
 25
M
ONITORING
 S
YSTEM
 A
CTIVITY
 
AND
 
P
ERFORMANCE
The HDSL4 system provides the following maintenance screens for monitoring system activity and assessing 
performance.
•
The Monitor screens provide a graphical representation of circuit activity and allow initiation of loopbacks.
•
The Performance screens provide current, 25-hour, 48-hour, and 31-day performance histories and a 
continuous alarm history.
•
The Event Log provides a description of the 100 most recent events which include their origin, time and date 
of occurrence, and message.
S
YSTEM
 O
VERVIEW
The H4TU-C-319 List 1 supports up to two doublers with three HDSL4 spans as shown in 
. 
Figure 11.
System Spans
The Monitor and Performance screens provide important activity and performance information about the HDSL4 
spans and span devices.
U
SING
 
THE
 M
ONITOR
 S
CREEN
 
TO
 V
IEW
 S
YSTEM
 A
CTIVITY
1
Press 
 to view the system diagram. 
 shows an armed circuit with an active loopback and alarms. Terms used on the system 
diagram are defined in the onscreen Help menu glossary. Abnormal situations are highlighted on the diagram. 
See 
 for screen field descriptions. 
H4D1
H4D2
H4TU-R
H4TU-C
Span 1
Span 2
Span 3
Span 1
Span 1
Span 2
2 Doublers
1 Doubler
No Doubler
Central Office
M