Multiplex communications – Wide area network – Packet switching
Patent
1991-08-30
1994-04-26
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
370 582, 370 84, 370 91, 34082579, 375111, 375119, 359115, 359117, H04J 300, H04J 1408, H04Q 1104
Patent
active
053073428
ABSTRACT:
A communication switch having heterogeneous ports. The heterogeneous ports are connected to nodes which may be operating at different frequencies and which may have different optical characteristics. In addition to the ports, the switch of the present invention includes a matrix controller and a matrix switch which is connected to the ports. When two ports want to communicate, the matrix controller commands the matrix switch to establish a physical connection between the ports. According to the present invention, data is transferred between the ports via the matrix switch in a serial and asynchronous manner. Because data is serially and asynchronously transmitted, high data rates through the matrix switch may be achieved.
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Georigiou Christos J.
Larsen Thor A.
Hsu Alpus H.
International Business Machines - Corporation
Safourek Benedict V.
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