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CDDI Last modified: Thursday, April 24, 1997
Abbreviation of Copper Data Distribution Interface, a network technology capable of carrying data at 100 Mbps over unshielded twisted pair (UTP) cable. CDDI is a trade name of Crescendo Communications (acquired by Cisco Systems in 1993) and commonly used instead of the general term Twisted Pair Physical Layer Medium (TP-PMD). TP-PMD is the general ANSI standard name for this FDDI -like service. CDDI cable lengths are limited to 100 meters.
	Related Categories Networking Standards Related Terms attenuation crosstalk ratio FDDI local-area network twisted-pair cable UTP