Token-passing bus access method and physical layer specifications : IEEE standards for local area networks

著者

書誌事項

Token-passing bus access method and physical layer specifications : IEEE standards for local area networks

sponsor, Technical Committee on Computer Communications of the IEEE Computer Society

Institute of Electrical and Electronics Engineers : Distributed in cooperation with Wiley-Interscience, c1985

タイトル別名

802.4 token-passing bus

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注記

Spine title: 802.4 token-passing bus

At head of title: An American national standard

"Approved June 13, 1984, IEEE Standards Board; approved December 17, 1984, American National Standards Institute."

ANSI/IEEE Std 802.4-1985; ISO draft international standard 8802/4."

内容説明・目次

内容説明

This Local Area Network standard deals with all elements of the Token-Passing Bus Access Method and its associated physical signalling and media technologies. The access function coordinates the use of the shared medium among the attached stations. Shared media can be categorized into two major types: broadcast and sequential. This new document deals exclusively with the broadcast type. On a broadcast medium, every station may receive all signals transmitted. Media of the broadcast type are usually configured as a physical bus. IEEE Standard 802.4-1985 has been developed to achieve compatible interconnection of stations by way of a Local Area Network using the Token-Passing Bus Access Method. This standard specifies: the electrical and physical characteristics of the transmission medium; the electrical signalling method used; the frame formats transmitted; the actions of a station upon receipt of a data frame; and the services provided at the conceptual interface between the Medium Access Control sublayer and the Logical Link Control sublayer above it.

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