Optical Carrier Level (OC)

This is a prefix for SONET carrier heirarchies, which are followed by a number. These indicate how fast the transmission speed is over a connection. The speed of an OC-1 is essentially that of 810 DS0s (64000bps * 810). The chart below provides speed information.

OC-n Speed (Mbps)
OC-1 51.84Mbps
OC-3 155.52Mbps
OC-12 622.08Mbps
OC-48 2.488Gbps
OC-192 9.953Gbps
OC-256 13.271Gbps
OC-768 39.813Gbps