data over cable service interface specification

1 definition found

data over cable service interface specification - Free On-line Dictionary of Computing (26 May 2007) :

  Data Over Cable Service Interface Specification
  Data Over Cable Systems Interface Specifications
  DOCSIS
  
     <communications, networking> (DOCSIS) ITU-approved interface
     requirements for cable modems involved in high-speed data
     distribution over a cable television network.  DOCSIS
     compatible equipment uses a 6 MHz carrier band for
     downstream, using 64 and 256 QAM (ITU Annex B), and QPSK
     and 16 QAM for upstream, allowing up to 36 and 10 Mb/s,
     respectively for downstream and upstream channels.
  
     CableLabs FAQ (http://cablemodem.com/FAQs.html).
  
     (2001-07-10)