The FTBx-730D by EXFO America is a versatile PON FTTx/MDU Optical Time-Domain Reflectometer (OTDR) designed to enhance fiber network testing and maintenance. Equipped with a dynamic range of up to 42 dB, it supports testing over distances of up to 132 km with remarkable accuracy. This OTDR features short event and attenuation dead zones, ensuring precise measurements in complex networks, including those with high port count PON splitters, scalable to 1×128. Its iOLM-ready functionality enables one-touch multiple acquisitions, providing a clear go/no-go presentation that simplifies the testing process. With calibrated wavelengths across a variety of specifications, this robust tool meets the demanding needs of modern fiber deployment and maintenance professionals.