The pigtails including single-mode, multimode and 10G 50/125um OM3 types, simplex fiber, 4 fibers, 6 fibers, 8 fibers, 12 fibers, 24 fibers, 48 fibers and so on. These fiber pigtails can be with fan-out kits and full compliant to Telcordia, EIA/TIA and IEC standards.