The FTBx-730C PON FTTx/MDU OTDR, manufactured by EXFO America, excels in addressing the intricate testing challenges faced within PON networks. With a remarkable dynamic range of up to 39 dB, it can efficiently manage point-to-point measurements over distances nearing 132 kilometers, making it an essential tool for both access network testing and live fiber analysis. Designed to support high port-count PON splitters—up to 1x128—this unit allows for versatile applications in various network configurations, including passive optical LANs. Equipped with a user-friendly interface for single port in-service troubleshooting, the OTDR offers an optional inline PON power meter for added functionality. Its advanced iOLM capability streamlines testing through one-touch multiple acquisitions, producing clear pass/fail results that enhance operational efficiency. With reduced event dead zones as short as 0.5 meters and capable of performing live fiber testing at wavelengths of 1625 nm or 1650 nm, the FTBx-730C stands out as a powerful instrument for professionals navigating complex fiber optic networks.