Multi-Fiber Push-On, commonly known as MPO is essential for fiber optic networks. Among the various MPO connector configurations, Type A, Type B, and Type C are the most common, each designed to suit different wiring needs. Understanding these types is crucial for optimal network. As traffic surges to 100G, 400G, and even 800G, single-fiber connectors like LC or SC struggle to keep up with density requirements. Compact. The MPO connector is a high-density fiber optic connector that terminates multiple fibers in a single precision-molded MT ferrule made of glass-filled polymer.