The FTTH (Fiber to the Home) OTDR (Optical Time Domain Reflectometer) is a specialized device used in the field of telecommunications and fiber optic technology to analyze and troubleshoot fiber optic networks. The principle behind an OTDR is based on the measurement of backscattered and reflected light in an optical fiber. By emitting short pulses of light and analyzing the returning signals, the OTDR can determine the distance and loss characteristics along the fiber link.
The composition of an FTTH OTDR typically includes a laser source that generates the light pulses, a detector to capture the returning signals, and a display screen to visualize the measurement results. It also incorporates a launch fiber or a launch cable, which helps control the launch conditions and improve measurement accuracy.
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