This is the ICC SC/SC Simplex Singlemode/Multimode Fiber Adapter With this ICC SC/SC Simplex Adapter, you are able to connect SC and SC fiber patch cables together. It provides a high density solution that allows you to customize your adapter panels and patch panels. This SC/SC adapter is compatible with both singlemode and multimode fiber cables. For more information on our product please contact our customer service department at 888-519-9505 For all your cable and connector needs choose Show Me Cables.