Multimode fiber works well for short to medium distances, providing scalable capacity and cost-effective deployment for data centers, office buildings, and campuses. What is Multimode Fiber Cable? Multimode fiber (MMF) is an optical fiber designed to carry multiple light propagation paths—or. Multimode fiber (MMF) primarily finds its use in communication over short distances, such as within a building or on a campus. However, recent tests with the latest hardware have shown that 1G Ethernet can reach up to 2 km under optimal conditions. Additionally, SMF transceivers employ. Multimode fiber optic cable is designed for high-speed data transmission in local area networks (LANs), data centers, and enterprise environments. This guide will cover the technical.