Multiplex communications – Wide area network – Packet switching
Patent
1995-05-02
1996-11-26
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 582, 370 60, 370 681, 3701101, H04L 1250
Patent
active
055793002
ABSTRACT:
A private automatic branch exchange for an integrated services digital network, comprising primary rate interface boards. Each of the primary rate interface boards has a frame structure of 32 channels and layer-1, layer-2, layer-3 and operating system software to perform a subscriber's telephone function through interfacing with a data distribution board and a data switching board. Each of the primary rate interface boards provides a 2048 Kbps interface between the private automatic branch exchange and a central office exchange.
REFERENCES:
patent: 4761779 (1988-08-01), Nora et al.
patent: 4866703 (1989-09-01), Black et al.
patent: 5043989 (1991-08-01), Dalmas et al.
patent: 5159594 (1992-10-01), Bales et al.
patent: 5161155 (1992-11-01), Dyer et al.
patent: 5198808 (1993-03-01), Kudo
patent: 5274634 (1993-12-01), Babiarz
Lee Sang R.
Park Jin Y.
Blum Russell W.
Hyundai Electronics Industries Co,. Ltd.
Olms Douglas W.
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