This guide seeks to educate its audiences on SC/APC fiber optic cables, their construction and functionality features, advantages, challenges, and best practices for installation and maintenance. San Jose Network Cabling & Wiring is a premier fiber optic cable installer offering a wide range of optical fiber services. A good connector: Provides low insertion loss (minimal signal attenuation). Singlemode, Multimode SC Duplex fiber patch cords. Get fast and free shipping on orders over $89. While the small size of fibre optic connectors does not mean they play a minor role, the type of connector you use affects the overall efficiency of light transmission across the fibre network. LC connectors dominate high-density panels and modern transceivers (SFP/SFP+, QSFP), while SC remains common in enterprise and FTTH; ST.