HP 37717C Operating Manual page 34

PDH / DSn Testing With The HP 37717C
Alarm Monitoring
Start the Test (Alarm Monitoring)
1 . Set up the
RESULTS
shown opposite and select
PDH ALM SCAN
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
OFF
display.
PDH ALM SCAN
2 To determine which alarm has occurred
set the PDH ALM SCAN
then set the
RECEIVE
STRUCTURED SETTINGS
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
RESULTS
which alarms have occurred.
28
display as
.
ON
RESULTS
and
OFF
display
.
RUN/STOP