Data communications system using a fiber distributed data exchan

Multiplex communications – Channel assignment techniques – Polling

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3408255, H04L 12433

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active

056028520

ABSTRACT:
A data communications system has nodes provided with data processing apparatus disposed at a number of points which are mutually separated at a distance with optical transmission cables and which are provided with a FDDI (fiber distributed data exchange interface) for optical local area networks for transmitting/receiving at either high-speed or low-speed, data between the data processing apparatus, control apparatus and peripheral apparatus.

REFERENCES:
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patent: 4459588 (1984-07-01), Grow
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patent: 4680757 (1987-07-01), Murakami et al.
patent: 4866704 (1989-09-01), Bergman
patent: 4926641 (1990-05-01), Ciolon et al.
patent: 4930121 (1990-05-01), Shiobara
patent: 4979167 (1990-12-01), McCool
"A Timed Token Protocol For Local Area Networks", R. Grow, IEEE Electro Paper, vol. 7, May 1982 pp. 1-7.
"The Fibre Distributed Data Interface (FDDI) -A New Generation Standard For Local Area Networks" T. King, Eurocon '88 , 8th European Conference on Electrotechnics, Stockholm, Jul. 1988, pp. 239-242.

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