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An OTDR (Optical Time Domain Reflectometer) refers to an electronic-optical equipment that is utilized to characterize optical fibre. An OTDR gathers several readings from the very same end of the fiber and makes use of them to identify problems, and quantify the extent of loss of signal at any position in the single optical fibre or the entire network. Technical experience as well as training is required for a correct analysis of an OTDR trace.
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