OTDR Working Principle

 OTDR under the control of the precise clock circuit, according to the set parameters to send optical pulse signal to the optical port, and then OTDR continuously according to a certain time interval from the optical port to receive the optical signal reflected back from the fiber, respectively, according to the Rayleigh backscattering (test optical fiber loss) and Fresnel reflection (test optical fiber reflection) principle of the corresponding test of the fiberhttps://www.glsun.com/product-v93-ots3000-otdr-optical-time-domain-reflectometer.html

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