OC3 (Typically a Service Provider)
OC3 (Optical carrier) circuits are provisioned using fiber networks and provide carrier-grade throughput speeds when terminated into a carrier network for bandwidth transit. Multiple rates can be provided as follows:
OC-1 51.85 Mbps
OC-3 155.52 Mbps
OC-12 622.08 Mbps
OC-24 1.244 Gbps
OC-48 2.488 Gbps
OC-192 9.952 Gbps
OC-255 13.21 Gbps