Multiplex communications – Wide area network – Packet switching
Patent
1992-11-12
1994-07-12
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 853, 371 82, H04J 116
Patent
active
053295218
ABSTRACT:
A local area network system is provided in which a plurality of communications nodes (14 and 16) are operable to transmit and receive information across a plurality of communications links (10 and 12). A plurality of redundant adapters (18 and 20) are coupled between the communications links (10 and 12) and the communications nodes (14 and 16), such that the communications nodes (14 and 16) are capable of transmitting and receiving information across each of the communications links (10 and 12).
REFERENCES:
patent: 4575842 (1986-03-01), Katz et al.
patent: 4627045 (1986-12-01), Colson et al.
patent: 4635254 (1987-01-01), Tulpule et al.
patent: 4748560 (1988-05-01), Kataoka
patent: 5056090 (1991-10-01), Kubota
patent: 5086499 (1992-02-01), Mutone
patent: 5153874 (1992-10-01), Kohno
patent: 5200949 (1993-04-01), Kobayashi
Article by Wayne M. Adams and Geoffrey J. Trotter, "DECnet/Ethernet: Today and Tomorrow on the Plant Floor", published in Control Engineering, Oct. 2, 1987, pp. 32-35.
Requirements Document by Dan LeBlanc and Dennis Tompkins, "CIM Product Requirements for a Redundant Ethernet Adaptor Option", Digital Equipment Corporation Proposal, Dec. 7, 1988, pp. 1-B4.
Barrett David W.
Walsh Jeffrey R.
Donaldson Richard L.
Nguyen Chau T.
Olms Douglas W.
Troike Robert L.
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