Automatic selection of an interface for ethernet stations

Details Automatic selection of an interface for ethernet stations Automatic selection of an interface for ethernet stations

1992-07-02

1995-04-25

Marcelo, Melvin

Multiplex communications

Wide area network

Packet switching

370 14, 370 16, 370 853, 371 112, H04L 124

Patent

active

054105358

ABSTRACT:
Method and apparatus for automatically switching an Ethernet station interface to choose between two protocols and, possibly, two external connector configurations, to adapt the station automatically to the correct one of two communication media types, such as the twisted-pair medium served by the 10BASE-T protocol, and other media types, served by the attachment unit interface (AUI). The invention continually tests for proper operation in the currently selected protocol, and switches to the other protocol upon failure of a test. If one of two available external connectors is used to connect the station to a network, the invention chooses between the connectors automatically, such that manual switching between them is not required.

REFERENCES:
patent: 5084870 (1992-01-01), Hutchison et al.
patent: 5115199 (1992-05-01), Yamagishi
patent: 5200949 (1993-04-01), Kobayashi
patent: 5289458 (1994-02-01), Taha
1991 Communications Data Book, Section 4--LAN Transceivers, pp. 4-1 through 4-10 pub. by Level One, Folsom, California 95630.
D. Wong, "Second Generation 10Base T Silicon Solutions" Wescon Conference Record vol. 35, Nov. 1991, North Hollywood US pp. 238-242.
Y. L. Linde, "Standards for Fiber Optics Ethernet" Electro Conference Record vol. 15, May 1990, Los Angeles US pp. 718-722.

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