Get low-loss fiber patch cables & cords with various connector options that support fiber optic cabling up to 400G. Check each product page for other buying options. Need help?A fiber optic patch cable is a short piece of fiber with connectors on both sides. It connects one device to another, often within the same rack or across neighboring network equipment. You plug it into a switch, router, or patch panel. They are available in multimode (OM1, OM3, OM4, OM5) and single-mode (OS2) fiber types, with a range of SC, ST and LC connectors.