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Tele-Communication (Telecom) Terms Glossary and Dictionary
OC: Optical Carrier
Optical Carrier (OC) is a group of signal bandwidth in a SONET fiber optic network with many defined levels. It is typically denoted as OC-n, where n is the multiplexing factor of the basic rate of 51.8 Mbit/s. The current defined levels are:
OC-1 — 51.8 Mbit/s
OC-3 — 155.52 Mbit/s
OC-12 — 622.08 Mbit/s
OC-24 — 1.244 Gbit/s
OC-48 — 2.488 Gbit/s
OC-96 — 4.976 Gbit/s
OC-192 — 9.953 Gbit/s
OC-256 — about 13 Gbit/s
OC-384 — about 20 Gbit/s
OC-768 — about 40 Gbit/s
OC-1536 — about 80 Gbit/s
OC-3072 — about 160 Gbit/s
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