Original video source: http://www.exfo.com/Support-and-Services/Be-an-Expert-Training-Program/Animated-Optical-Glossary/
A 'peak' or 'blindspot' on an OTDR trace where no measurement can be made. This is caused by a Fresnel reflection and the subsequent recovery time of the OTDR detector. Deadzones are always prominent at the very beginning of a trace or at any other high reflectance event.
EXFO's Be-an-Expert Program has produced the world's first animated glossary of fiber optic terms. Including concise definitions and animated sequences, this tool provides a great reference for anyone that wishes to understand fiber terminology.
A 'peak' or 'blindspot' on an OTDR trace where no measurement can be made. This is caused by a Fresnel reflection and the subsequent recovery time of the OTDR detector. Deadzones are always prominent at the very beginning of a trace or at any other high reflectance event.
EXFO's Be-an-Expert Program has produced the world's first animated glossary of fiber optic terms. Including concise definitions and animated sequences, this tool provides a great reference for anyone that wishes to understand fiber terminology.
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