Multiplex communications – Wide area network – Packet switching
Patent
1982-12-10
1985-08-13
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 94, H04J 302
Patent
active
045354480
ABSTRACT:
A dual set of busses is used to provide close coupling between the data and voice services of the CS300 communication system. One of these busses is a time division multiplex bus arranged for communication between port access circuits, and the other bus is a packet-switched data processing bus used for interfacing both with the system peripherals and with the port access circuits. The port access circuits, as well as the faster peripheral circuits, can be connected to either or both busses thereby allowing for the efficient easy interchange of information.
REFERENCES:
patent: 4216544 (1980-08-01), Boleda et al.
patent: 4224688 (1980-09-01), Ciancibello et al.
patent: 4251880 (1981-02-01), Baugh et al.
patent: 4254496 (1981-03-01), Munter
patent: 4300194 (1981-11-01), Bradley et al.
patent: 4306304 (1981-12-01), Baxter et al.
Baxter Leslie A.
Brown Sanford S.
AT&T Bell Laboratories
Olms Douglas W.
Tannenbaum David H.
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