Corning LEAF Fiber - 9/125/250um Non-Zero Dispersion-Shifted (NZ-DSF) Single Mode Fiber (G.655), 100 Meters Length: 100 meters Fiber Type: Corning LEAF 9/125m Non-Zero Dispersion Shifted Single Mode Fiber (G.655), with 250m coating The world's first large effective area, non-zero dispersion-shifted fiber (NZ-DSF) Optimized for long-haul and high-data-rate metro networks The world's most widely deployed NZ-DSF