The FTBx-730C PON FTTx/MDU OTDR by EXFO America is engineered to meet the high demands of contemporary optical networks, supporting high port count PON splitters of up to 1×128. This versatile unit facilitates in-service troubleshooting with an optional in-line PON power meter, allowing technicians to conduct thorough assessments without disrupting service. Characterized by its short dead zones—event dead zone at 0.5 m and attenuation dead zone at 2.5 m—the device ensures accurate performance in various scenarios, including live fiber testing at wavelengths of 1625 nm or 1650 nm. Equipped with advanced features such as automatic adjustment of distance range and pulse width through Automode, real-time averaging, and dynamic range capabilities up to 39 dB for distances reaching 132 km, the FTBx-730C stands out in efficacy and ease of use. Its iOLM-ready functionality enables one-touch multiple acquisitions, providing users with clear and immediate go/no-go results, making it an essential tool for efficient optical network maintenance and optimization.