LC Single-Mode & Multimode Fiber Loopbacks

L-Com LC Single-Mode and Multimode Fiber Loopbacks provide cost-effective solutions for fiber optic test environments. Available in both 50/125µm multimode and 9/125µm single-mode versions, these loopback cables create a return path between transmit and receive ports to verify optical network performance, assist with troubleshooting, and support equipment validation. L-Com LC Fiber Loopbacks feature LC connectors with PC-polished terminations and duplex clips that keep connectors aligned for accurate insertion. The flexible fiber loop design helps minimize bend loss while maintaining manageable cable routing.