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Communications Test

OTDR

Optical Time Domain Reflectometer (OTDR) is a device that measures distance to a reflection surface by measuring the time it takes for a lightwave pulse to reflect from the surface. Reflection surfaces include the ends of the cable and breaks in the fiber.The reflectometer measures the ratio of incident and reflected light power, or backscatter. By using this device you can figure precisely where a fiber optic link is broken.

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