Also found in: Dictionary, Medical, Acronyms, Encyclopedia.
Related to OC12: OC-3072
High-speed data provisioning at speeds up to 622 megabytes per second, equivalent to 414 T1s. See OC3.
The Complete Real Estate Encyclopedia by Denise L. Evans, JD & O. William Evans, JD. Copyright © 2007 by The McGraw-Hill Companies, Inc.