Communication and Network Riser

Communication and Network Riser

(hardware, standard)(CNR) A specification for audio,modem, USB and Local Area Networking interfaces of corecomputer logic chip sets. Intel introduced CNR on2000-02-07. It was mainly developed by hardware and softwaredevelopers who helped release AMR (Audio/Modem Riser) and isused by several computer manufacturers.

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