150-231-185-05, Revision 05
Provisioning
HLU-231 List 8E
September 13, 1999
15
Selecting a Maintenance Terminal Function
To perform a function within the Maintenance Terminal screens, you can:
•
Press the key indicated to the left of the selection.
•
Press the letter in parenthesis for the parameter to be changed.
System Spans
, the HLU can support up to four doublers with five HDSL spans. The Span Status,
Performance Data, and Performance History may display as many five screens to depict an HLU-231 List 8E
system.
Figure 4.
System Spans
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ERMINAL
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CREENS
View Span Status Screen
The View Span Status option allows you to view up to five system status screens that provide information about
the HDSL Loop 1, HDSL Loop 2, and the DS1. For doubler applications, the available Span Status screens depend
on whether the system includes one, two, three, or four doublers.
Press
from the Maintenance Terminal Main Menu to open the Span Status screen (
). If no
doubler (HDU) is present, the screen reports span status for the subscriber lines between the HLU and the HRU.
If there are additional doublers, the Span Status screen reports status on each span.
shows
status between HDU4 and the HRU in a system with four doublers. See
for an explanation of
the Span Status fields.
From each Span Status screen you can:
•
Press
to clear the cur (current), min (minimum) and max (maximum) numeric counts. This also clears the
Performance History and Performance Data screens.
•
Press
to automatically update status screens. (Press
again to turn off auto update.)
•
Press
to update cur (current) values.
•
Press
to view the next available span (for doubler applications).
•
Press
to exit and return to the previous screen.
•
Press
, , , ,
or
to select a specific span (for doubler applications).
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