OM3 MTP/MPO to MTP/MPO 12 Strand Multi-Fiber Patch Cable. MTP to MTP female (no pins), OFNP Multimode 50/125 10Gb Corning fiber cores, each with 125 micron cladding. MTP/MPO female fiber connectors with 12 OM3 multimode fiber strands. MPO 12 fiber connector on both sides of this multi-fiber, high density, optical patch cord with 12 Laser-Optimized Multimode Fiber (LOMMF) 10Gb rated fiber cores.