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oc
(redirected from OC12)

   Also found in: Dictionary/thesaurus, Medical, Financial, Acronyms, Wikipedia 0.01 sec.
OC
(Optical Carrier) The transmission speeds in SONET/SDH networks. See SONET. See also DS.

 SONET CIRCUITS

 Optical  Electrical
 Channel  Channel         Speed (Mbps)

          VT-1.5       1.7
 OC-1     STS-1       51.84 (28 DS1s or 1 DS3)
 OC-3     STS-3      155.52 (3 STS-1s)
 OC-3c    STS-3c     155.52 (concatenated)
 OC-12    STS-12     622.08 (12 STS-1, 4 STS-3)
 OC-12c   STS-12c    622.08 (12 STS-1, 4 STS-3c)
 OC-48    STS-48    2488.32 (48 STS-1, 16 STS-3)
 OC-192   STS-192   9953.28 (192 STS-1, 64 STS-3)
 OC-768   STS-768  39813,12 (768 STS-1, 256 STS-3)

 OC  = Optical Carrier
 STS = Synchronous Transport Signal

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.

(language)Oc - ("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].


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net SymQuest FracTl, Tl, T3, Claremont, 866-352-7555 OC3, OC12 Peterborough, symquest.
The products include single-mode EFM, GE, FC and 2xFC transceivers to support distances from 10 km to 80 km, and OC3, OC12, and OC48 transceivers with various reaches at SR1, IR1, IR2, LR1 and LR2.
Note: 622 Mb/s is known as OC12 in optical backbone networks; STS-12 in SONET and STM-4 in SDH backbone networks.
 
 
 
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