pdhman.book : pdhapp.doc 28 Tue Oct 14 15:00:20 1997
28
PDH / DSn Testing With The HP 37717C
Alarm Monitoring
Start the Test (Alarm Monitoring)
1 . Set up the display as
shown opposite and select
.
If any of the three alarms, Frame Loss,
RAI or AIS has occurred the appropriate
point in the hierarchy will be highlighted.
The test can be halted at any time by
selecting on the
display.
2 To determine which alarm has occurred
set the PDH ALM SCAN and
then set the
display
to the tributary highlighted as shown
opposite and press .
Example 2Mb number 2 of 8Mb number 1
of 34 Mb number 1 is highlighted.
3 Now view the Alarm Seconds results
on the display to determine
which alarms have occurred.
RESULTS
PDH ALM SCAN
ON
OFF
RESULTS
PDH ALM SCAN
OFF
RECEIVE
STRUCTURED
SETTINGS
RUN/STOP
RESULTS
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