CDDI


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CDDI

CDDI

(Copper Distributed Data Interface) A version of FDDI that uses UTP (unshielded twisted pair) wires rather than optical fiber. The technology was developed by Crescendo Communications, Sunnyvale, CA, which was acquired by Cisco in 1993. ANSI's standard for FDDI over UTP is officially TP-PMD (Twisted Pair-Physical Media Dependent).
References in periodicals archive ?
The eXOS 505S CDDI card delivers the speed and bandwidth performance of fiber-optic networks on IBM Token Ring copper cables at a much lower expense.
He noted that the demands of advanced applications such as Fast Ethernet, CDDI, ATM and Gigabit Ethernet require better methods of determining if cabling systems can reliably transfer information.
A cheaper option is to run FDDI over unshielded twisted-pair wiring--a version known as CDDI (copper distributed data interface).
Network connectivity is furnished by a variety of network interfaces including 10/100BASE-T Ethernet, FDDI, CDDI and Fibre Channel.
NetScout Systems' family of products offers the broadest view into enterprise networks, regardless of topology, covering shared LANs, switched LANs, VLANs, Token Ring, FDDI and CDDI, ATM, and WANs -- including Frame Relay links.