The PCLCLC9D is a fiber optic patch cord with optical LC connectors on both sides, used to connect one device to another for signal transmission. LC stands for Lucent Connector. Fiber Patch Cables are commonly used with patch panels, optical switches, and/or telco equipment. With complete connector range of SC, ST, LC, FC, MTRJ, and also the. Get low-loss fiber patch cables & cords with various connector options that support fiber optic cabling up to 400G. Patch Cord LC Singlemode Fiber Optic Cable Assemblies are available at Mouser Electronics.