cnr

from The Free On-line Dictionary of Computing (8 July 2008)

Communication and Network Riser
CNR

   <hardware, standard> (CNR) A specification for {audio},
   {modem}, {USB} and {Local Area Networking} interfaces of core
   computer logic {chip sets}.  {Intel} introduced CNR on
   2000-02-07.  It was mainly developed by hardware and software
   developers who helped release AMR ({Audio/Modem Riser}) and is
   used by several computer manufacturers.

   (http://www.computerhope.com/jargon/c/cnr.htm).

   (2007-03-15)