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Proceedings Paper

Technical Approaches For Implementation Of CSMA/CD On A Fiber Optic Medium
Author(s): William J. Cronin
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Paper Abstract

The IEEE 802.3 10BASE-F Task Force is currently working on two approaches for 10 Megabit per second CSMA/CD networks using fiber optic media. The two approaches have distinct application spaces. One approach is based on Passive Fiber Optic Star technology, the other on Active Star technology. One standard, covering both application spaces, is expected sometime in 1991. This paper will summarize the proposals presented to the committee, and its predecessors, over the last two years. Three types of proposals were considered for the Active Star application space. These included CSMA/CD on a ring topology, an Active Star based on the Fiber Optic Inter Repeater Link, and an Active Star based on a synchronous signaling scheme. Three proposals were considered for the Passive Star application space. These included techniques for detecting collisions via special pulses, code rule violations, and amplitude sensing techniques. The paper concludes with a summary of the proposals being standardized by the 10BASE-F Task Force.

Paper Details

Date Published: 15 January 1990
PDF: 12 pages
Proc. SPIE 1179, Fiber Networking and Telecommunications, (15 January 1990); doi: 10.1117/12.963419
Show Author Affiliations
William J. Cronin, Digital Equipment Corporation (United States)


Published in SPIE Proceedings Vol. 1179:
Fiber Networking and Telecommunications
Joseph Garodnick; Lynn D. Hutcheson; David A. Kahn, Editor(s)

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