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What is BOTDR?

OTDR (Optical Time Domain Reflectometer) is a popular test equipment for measuring the attenuation of an optical fiber. OTDR can be used both inside the lab and in OSP testing. Conventional OTDRs check optical loss, point defects called events and length of an optical fiber. However, there are a few more test equipment that use the basic principle of OTDR measurements but differ in test purpose. One such equipment is BOTDR. What is a BOTDR?

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