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Last modified: Thursday, October 24, 2002 

fiber optics
Abbreviation of Fiber Distributed Data Interface, a set of ANSI protocols for sending digital data over fiber optic cable. FDDI networks are token-passing networks, and support data rates of up to 100 Mbps (100 million bits) per second. FDDI networks are typically used as backbones for wide-area networks.

An extension to FDDI, called FDDI-2, supports the transmission of voice and video information as well as data. Another variation of FDDI, called FDDI Full Duplex Technology (FFDT) uses the same network infrastructure but can potentially support data rates up to 200 Mbps.

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For pages about FDDI . Also check out the following links!

Related Links

Fiber Distributed Data Interface 
This paper from Cisco provides background information about FDDI technology, explains how FDDI works, describes the differences between FDDI and CDDI and describes how CDDI works.

FDDI Tutorials and Resources
Good collection of links to FDDI documents, including papers, tutorials, and articles. This page is hosted by the InterOperability Lab at the University of New Hampshire.

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Ocean Optics: Fiber Optics - Supplies a broad range of optical sensing technologies, including fiber optics. Fiber Optics - Database of suppliers for fiber optic cable, as well as attenuators, circulators, couplers, and modulators. Browse catalogs.

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KnowledgeStorm: FDDI Hubs and Concentrators - Business technology search site offering software, service, reseller and hardware information on thousands of IT solutions.

related categories

Fiber Optics

Networking Standards

related terms



fiber optics


IP Masquerade




User-to-Network Interface (UNI)

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