LR-LINK Fiber Patch Cable SC to LC Single-Mode Jumper Single 1/2/3m Fiber Optic Simplex Cord for SFP Transceiver. This sc to Lc fiber patch cable is Low insertion loss, good inter-insertion performance. Interchangeability, temperature stability, repeatability, and return loss are good. Stable and reliable transmission in line with international IEC quality testing standards. As one of the most commonly used components in optical network, fiber jumper is used to connect the important equipment and components in optical network