(redirected from OC1)
Also found in: Dictionary, Medical, Acronyms.


("Oh see!") A parallel logic language.

["Self-Description of Oc and its Applications", M. Hirata, Proc 2nd Natl Conf Japan Soc Soft Sci Tech, pp. 153-156, 1984].

center-to-center, on center

The distance between the center line of one element, member, part, or component (as a stud or joist) and the center line of the next.


(Optical Carrier) The transmission speeds in SONET/SDH networks. See SONET. See also DS.

SONET CIRCUITSOptical  Electrical    SpeedChannel  Channel      (Mbps)

 OC-1      STS-1        51.84
 OC-3      STS-3       155.52
 OC-3c     STS-3c      155.52
 OC-12     STS-12      622.08
 OC-12c    STS-12c     622.08
 OC-48     STS-48     2488.32
 OC-192    STS-192    9953.28
 OC-768    STS-768   39813.12

 OC  = Optical Carrier
 STS = Synchronous Transport Signal
   c = concatenated
References in periodicals archive ?
The Stage 1 project comprises three open cut mines - OC1, OC2 and OC3, one underground mine (UG4), a coal handling and preparation plant (CHPP), in addition to a raw and product coal stockpiles, a rail loop and rail loader and office and workshop support facilities.
In addition, Wilson revealed that the first alpha product will be an OC1 line driver developed for small- and medium-sized enterprises.
LOT B Complex development subsystem BSS radio system based on standard GSM-R with the terminals and the necessary infrastructure in the section Lowicz - Skierniewice - Arches railway line CE 20 and Lowicz - Warsaw and Warsaw with Doves Podskarbinska - Arches - Terespol E 20 railway line and associated infrastructure development at centralowym OC1 in Warsaw and the expansion of the system controller dispatcher FDS stationary terminals and carry out the necessary tests;
The figures published today are taken from the statistical collections OC1 and OC3.
The IXF6012 works at speeds ranging from OC-1 to OC-12, and the IXF6048 works at speeds ranging from OC1 to OC-48.