OC may refer to any of the following:

  1. Short for optical carrier, OC is a term used to specify a speed of fiber-optic networks. Below is a listing of OC types and the corresponding speeds for each of those types.

OC-1 = 51.85 MbpsOC-3 (STS-3 or STM-1) = 155.52 MbpsOC-12 (STS-12 or STM-4) = 622.08 MbpsOC-24 (STS-24 or STM-8) = 1.244 GbpsOC-48 (STS-48 or STM-16) = 2.488 GbpsOC-192 (STS-192- or STM-64) = 9.952 GbpsOC-255 = 13.21 GbpsOC-768 = 40 Gbps

  1. OC is also an abbreviation sometimes used for overclocking.

Computer acronyms, Fiber-optic, Network terms, SONET, STM, STS