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Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Dead Zone

A peak or blind spot 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. Dead zones are always prominent at the very beginning of a trace or at any other high reflectance event.