The FTBx-735C by EXFO America is a sophisticated metro/PON FTTx/MDU optical time-domain reflectometer (OTDR) designed to provide exceptional performance for fiber network testing. With the ability to support high port count PON splitters of up to 1x128, this tool is ideal for thorough live fiber testing while minimizing dead zones, featuring advanced metrics for event, attenuation, and PON conditions. Its unique singlemode port facilitates in-service troubleshooting, complemented by a built-in power meter that operates at multiple wavelengths, ensuring precise measurements during live testing. Equipped with an impressive dynamic range of up to 42 dB and exceptionally short dead zones, the device stands out for its efficiency and reliability, making it essential for professionals working in the field. Furthermore, compatibility with EXFO Connect allows for streamlined asset management through automated cloud data integration, while iOLM readiness enables one-touch acquisitions with clear, visual go/no-go results—enhancing operational efficiency and decision-making in fiber optic networks.