Multiplex communications – Wide area network – Packet switching
Patent
1984-02-21
1988-07-05
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 85, 370 89, 370118, H04J 300, H04J 316, H04Q 1104
Patent
active
047559888
ABSTRACT:
A large scale integrated circuit device is disclosed that can be used as a component in a variable bandwidth branch exchange system or for other applications utilizing programmable network switching. The device contains a plurality of duplex per line switches (PLS). Each PLS interfaces between serial signal streams which may operate at various rates. Date transfers are programmable to occur at variable times with reference to the information highway timing and are programmable in length. The device may be controlled and monitored by an external device, and can optionally transfer control and status information between an external control device and one or more station devices.
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Gates Stillman F.
Nelson Gary A.
CXC Corporation
Kuntz Curtis
Olms Douglas W.
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