Multiplex communications – Wide area network – Packet switching
Patent
1988-10-28
1991-03-05
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 951, 370 67, H04J 304
Patent
active
049982494
ABSTRACT:
A method for multiplexing data between a set of line circuits and a set of time division multiplexed highway lines connected to a central switch. Line circuits are organized into clusters of fixed numbers of circuits. Groups of four clusters send data to and receive data from a single multiplexer/demultiplexer. One or more multiplexers may be connected to the same set of highways. A single master processor performs all of the highway and time slot assignments for the network. These assignments are made so that each cluster will transmit or receive during consecutive time slots on a single highway line. The multiplexer is capable of providing conductivity between any cluster and any of the highways. The highway and time slot assignments for each cluster may be altered by reprogramming the multiplexer.
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patent: 4477900 (1984-10-01), Gruenberg
patent: 4530093 (1985-07-01), Akram et al.
patent: 4672604 (1987-06-01), Bhatia et al.
patent: 4672662 (1987-06-01), Nishino et al.
Motorola, Inc., Telecommunications Device Data, DL 136, Rev. 1, Addressable Time Slot Assigner Circuit (TSAC) MC 14416, pp. 2-149 through 2-172.
Bennett Robert B.
Hager Robert J.
Chin Wellington
Executone Information Systems Inc.
Olms Douglas W.
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