Question

ofdropower meher और vel का कार्य लिखित otdr परीक्षण को समझाइए​

Answer 1

The definition of an "OTDR" stands for Optical Time Domain Reflectometer which is a fiber optic instrument used to characterize, troubleshoot and maintain optical telecommunication networks. OTDR testing is performed by transmitting and analyzing pulsed laser light traveling through an optical fiber. The measurement is said to be unidirectional as the light is insert at extremity of a fiber optic cable link.