EXFO OTDR 2 - Manual (Page 36)

Preparing Your OTDR for a Test
28 OTDR
Excluding and Including Span Start and Span End
Excluding and Including Span Start and Span
End
When applicable, the application includes the losses caused by the span
start and span end events to the span loss value. The application also
includes the ORL caused by the span start and span end events to the span
ORL.
When the spans are included, the loss and reflectance values associated
with the events are taken into account to determine the pass/fail
thresholds.
To exclude or include span starts and span ends:
1. From the Main Menu, select the Test Configuration button.
2. Select the Link Definition tab.
3. Under Calculation and Pass/Fail thresholds, select the inclusion of
the span start and span end you want to display in the table.
OR
To exclude the span start and span end, clear the boxes.