Definitions for "OC3"
Keywords:  sonet, sdh, mbps, optic, mbit
Optical Carrier level 3: 155.52 Mbps.
A high-speed telecommunications link supporting a speed of 155 megabits (Mb) per second.
Series of physical protocols (OC1, OC2, OC3 and so on), defined for SONET optical signal transmission. OC signal levels put STS frames onto multmode fiber optic lines at a variety of speeds. The base rate is 51.84 Mbps or OC1. Each signal level thereafter operates at a speed divisible by that number. OC3 runs at 155.52 Mbps. PCR (Peak Cell Rate) In cells/sec, the cell rate that the source may never exceed.