MeasurementMeasurement
ConditionCondition
ThresholdThreshold
This screen contains the parameters for setting up the threshold values for
alarms/errors and Pass/Fail status.
Reference eventReference event
Use the drop-down menu(s) to select the relevant event (Any errorsAny errors, LOSLOS, LOFLOF,
OOFOOF etc.).
If selecting Any errorsAny errors, all alarms and errors displayed on the list are treated as
the trigger.
LOSLOS does not appear when using the electrical interface (STM-1e or STS-3).
For the PDH interfaces the lists of relevant events are different.
The errors which can be set as Reference event do not contain all items listed in AlarmsAlarms
and ErrorsErrors on Application Toolbar.
For example, LSS and TC-REI are not handled as a trigger even if Any errorsAny errors is selected in
case of SDH.
Error free periodError free period
Appears when SDH or SONET layer is present.
If a reference event is not generated within the time of this cycle, end the
switching time measurement.
Max reference durationMax reference duration
Allows you to specify the maximum duration of the selected reference event(s).
Valid values are from 0.000 ms0.000 ms to 10000.000 ms10000.000 ms for SDH/SONET and 0.0000.000
msms to 4000.000 ms4000.000 ms for PDH.
The setup of the protection and the requests used in an 'APS' test on SDH or SONET
layer is done on the Test Results > Detailed screen.
55..88..33 Test ResultsTest Results
55..88..33..11 SummarySummary
Touching the SummarySummary button in the navigation area will display the screen
shown below.
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