Positive event – EXFO FastReporter Data Post-Processing Software User Manual
Page 216
Description of OTDR Event Types
210
FastReporter
Positive Event
Positive Event
This event indicates a splice with an apparent gain, due to the junction of
two fiber sections having different fiber backscatter characteristics
(backscatter and backscatter capture coefficients).
³
A loss value is specified for positive events. The loss specified does not
indicate the true loss of the event.
³
The true loss has to be measured by performing bidirectional fiber
measurements and bidirectional analysis.
Reflected power
(dB)
Distance
(km)
Positive event
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- FIP-400B Fiber Inspection Probe Multifiber (2 pages)
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