The PSB/SPSB Launch Cable and Pulse Suppressor Box by EXFO America is an essential tool for fiber optic testing, particularly when used in conjunction with an Optical Time-Domain Reflectometer (OTDR). This device efficiently covers the OTDR's dead zone, facilitating accurate loss measurements on both the first and last connections of a fiber under test, making it a crucial component for ensuring integrity in fiber optic networks. Available in multiple lengths—from 15 meters to an impressive 2200 meters—users can select the option that best fits their testing requirements. This product comes in two configurations: the portable SPSB version and the standalone PSB version, each designed with ease of use in mind. With low connector insertion loss and robust design, this launch cable and pulse suppressor box excels in application for OTDR testing, delivering reliable performance critical for optimal network diagnostics.