OC-192 (Optical Carrier 192) is a fiber optic network line with a SONET rate of 9953.28 Mbit/s, or 192 times the basic 51.84 Mbit/s SONET signal (OC-1), hence the name OC-192. OC-192 is currently the fastest feasible optical connection. 10Gbps Ethernet is also designed to interoperate with OC-192.