Our selection includes three main fiber variants: 9/125um single mode, 62. 5/125 multimode, and 50um OM3, OM4, and OM5. These pigtails feature premium-grade jackets and are equipped with LC, SC, ST, and FC connectors, typically with a 0. The FC type pigtail has a simple structure and is easy to operate, making it user-friendly even for. Executive Summary: A fiber optic pigtail is one of the most commonly specified yet least understood components in structured cabling. The choice is largely driven by the equipment requirements and to a lesser extent the installation environment. The connector mechanically orients the fiber cores, allowing light to pass and travel through. The SC was developed by the laboratories at Nippon Telegraph and Telephone (NTT) in the mid-'80s, and was one of the first connectors to hit the market following the advent of ceramic ferrules.