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Telecommunications Engineering

Optical Carrier (OC) Designations


Optical Carrier designations are divided into 51.84 Mbps increments according to the OC#. For instance an OC-3 has a bit rate of 51.84 Mbps * 3 or 155.52 Mbps.

Here are some common bit rates found on OCx fiber:

OC-1: 51.84 Mbps
OC-3: 155.52 Mbps
OC-12: 622.08 Mbps
OC-48: 2,473.92 Mbps
OC-192: 9,953.28 Mbps
OC-768: 39,813.12 Mbps
OC-3072: 159,252.48 Mbps