This 10 meter (~33 feet) fiber optic cable is terminated with a SC (Subscriber Connector) connector on one end and a ST (Straight Tip/Bayonet Connector) on the other end. It is a singlemode fiber (9 micron core) designed to transmit data across long distances at high speeds. The cord is duplex (two fibers) which means it permits synchronous communication between devices. The cladding diameter is 125 microns. (Not for Home Theater). OD: 2.8mm, Single Mode, Duplex, 0.072 Optical Fiber Cable,PVC, Color: Yellow. ST SM Connector ( Metal Housing Yellow Boot). Channel Marker. Shrinkage Tube. Cap. SC SM Connector (Blue Housing Blue Boot).