Tripp Lite Duplex Multimode 50/125 Fiber Adapter (LC-SC M/F) 0.3M (1-ft.)(N458-001-50) 0.3M (1-ft.) Duplex MMF 50/125 Adapter (LC-Male/SC-Female) Utilize Existing SC or ST Cabling with new LC type switches Available in 62.5/125 or 50/125 Micron LC/ST or LC/SC Lifetime warranty