The PSB/SPSB Launch Cable and Pulse Suppressor Box from EXFO America is an essential tool for fiber optic testing, equipped with singlemode -B models that utilize 9/125 fiber. Designed for field portability, its soft pulse suppressor bag form factor ensures that it can be easily deployed in various environments while effectively covering the OTDR dead zone. This functionality allows users to accurately measure loss on both the first and last connections of the fiber under test, providing crucial data for network performance assessment. Available in multiple lengths from 15 m to 1000 m for singlemode variants, along with multimode options, the SPSB family caters to diverse installation needs, ensuring reliable operation and versatility in fiber optic applications.