EXFO AXS-100 Series OTDR - Manual (Page 144)

Description of Event Types
136 AXS-100 Series
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 displayed in the events table, not the
reflective subevents composing it.
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, corresponding to the highest reflectance value
among all subevents composing the Merged Reflective Event, is also
displayed.
Reflective events
Point A
Point B
Merged Reflective event position
Total loss (
Δ
dB)
Reflected power
(dB)
Distance
(km)