3-Quad LC fiber optic adapter panel is designed to fit blank fiber optic patch panel (ICFORPP1RM ), ICFOR fiber optic rack mount enclosures, and ICFOD fiber optic wall mount enclosures. They are compatible with both multimode (MMF) and singlemode (SMF) fiber applications. Plush pins provide a secure and snug fit. Provides a safe and secure means for connecting the fiber optic cables between external distribution and the active components.