These fiber optic pigtail connectors are compliant to IEC, TIA/EIA, NTT and JIS specifications. Low cost but high performance, which makes it one of the most popular cables. Available in a range of multimode and single-mode fibers with SC, ST or LC connectors. Ensure a reliable, low-loss. Fiber pigtails are an integral part of fiber optic networks, serving as the connection between the fiber cable and the network's equipment. Understanding these differences is essential for choosing. See our range of fibre optic pigtails in OS1, OM1, OM2 & OM3 below. The connector. Color sequence in sets according to IEC 60304: red, green, blue, yellow, white, gray, brown, violet, turquois, black, orange, pink.