This procedure consists of using a reel-based cassette cleaner with medium pressure, wipe the connector end face against a dry cleaning cloth in one direction. Even microscopic dust particles can significantly attenuate light signals traveling through the fiber core. What is a Fiber. Fiber optic cassette cleaners are part of an installer's tool kit, but may also be used by IT personnel. Fiber optical cassette cleaners have the typical characteristics: There are several types of fiber optical end face cleaning tools and accessories, and the goal of them is all the same - get the. clean connector is extremely important in the reliability of any optical network infrastructure. Connector end faces containing even small amounts of debris (skin oils, dust, lotions, water residue, etc. Clean the fiber only when it is severely contaminated. This is because the cleaning. Clean fiber optic connectors (like SFP or QSFP connectors) ensure low insertion loss, stable signal integrity, and long-term reliability. Without proper cleaning practices. The single fiber cleaners are designed to effectively clean various single fiber connectors such as LC/MU, SC/FC/ST/LSH and MDC, both residing in an adapter or fiber optic panel and unmated. They feature a novel dry cleaning strand to gently sweep and lift away dust and debris from the connector.