one of the Sonet family of optical fiber connection carrying "N" DS-3 circuits
Optical Carrier-n - The physical interface for transmission over optical fiber at n times 51.84Mbps (for example, OC-3 is at 155.52Mbps, OC-12 at 622.08Mbps, OC-48 at 2.488Gbps).
Optical carrier level N (Sonet term). This is the optical signal that results from an STS-N signal conversion.
The optical counterpart of STS-n (the basic rate of 51.84 Mbps on which SONET is based is referred to as OC-1 or STS-1). OC-48c (Concatenated OC-48) - 2.488 Gigabits per second carried as optical signals OC-12c (Concatenated OC-12) - 622.08 Megabits per second carried as optical signals OC-3c (Concatenated OC-3) - 155.52 Megabits per second carried as optical signals
The range of incremental rates defined for Synchronous Optical Network (SONET) fiber-optic transmission (see SONET). Levels in the hierarchy are ordered by the bit rate of their aggregated signals. The number after "OC-" represents the multiple of the foundation OC-1 rate, which is 51.84 megabits per second (Mbps). Above OC-3, the level numbers and their associated data rates quadruple with each step up in the hierarchy, as follows:• OC-3: 155 Mbps• OC-12: 622 Mbps• OC-48: 2.5 gigabits per second (Gbps)• OC-192: 10 Gbps• OC-768: 40 Gbps
The optical signal that results from an optical conversion of an STS-N signal.
(Optical Carrier Level N Signal) In SONET, a generic representation used to refer to the line rate being transmitted on a single mode fiber facility. A SONET transmission rate equal to N times the OC-1 line rate of 51.840Mbps.
