Exfo FastReporter Data Post-Processing Software User Manual Page 218

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Description of OTDR Event Types
212 FastReporter
Merged Reflective Event
Merged Reflective Event
This symbol denotes a reflective event combined with one or more other
reflective events. It also indicates the total loss produced by the merged
reflective events following it in the events table.
³ A Merged Reflective Event is composed of reflective events. Only the
Merged Reflective Event is attributed a number in the events table, not
the reflective subevents composing it, if they are displayed.
³ Reflective events may indicate the presence of connectors,
mechanical splices, or poor-quality fusion splices or cracks.
³ A reflectance value is specified for all merged reflective events and
indicates the maximum reflectance for the merged event.
A reflectance value is also displayed for each subevent composing the
Merged Reflective Event.
Reflective events
Point A
Point B
Merged Reflective event position
Total loss ( dB)
Reflected power
(dB)
Distance
(km)
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