SC indoor multi-mode optical cable 4 core 6 core 8 core 12 core 24 core 36 core 48 core 72 core 96 core 144 core fiber optic cable Harness soft cable 50 125UM cable PVC low-voltage cable PVC low-voltage cable PVC low-voltage cable PVC low-voltage cable PVC low-voltage cable PVC low-voltage cable PVC low-voltage cable PVC low-voltage cable PVC low-voltage cable PVC low-voltage cable