Multiplex communications – Wide area network – Packet switching
Patent
1986-03-11
1988-09-06
Griffin, Robert L.
Multiplex communications
Wide area network
Packet switching
375 40, 370100, H04Q 1104
Patent
active
047698098
ABSTRACT:
Broadband digital signals in a broadband communication network asynchronously operated space-division-multplex switching networks are arranged in the nodes. This asynchronous operating mode of the space-division-multiplex switching networks requires, in constructing the broadband communication network, the use of asynchronous multiplexers with complicated stuffing methods. For the implementation of a synchronous broadband communication network, the regenerated broadband digital signal is applied to an elastic store, entering the data into the elastic store being effected with the regenerated clock and reading with the central network clock. In the absence of a broadband digital signal because of a "not switched-through" switching state or a failing digital line, a switch to a broadband, network synchronous signal or to a substitution path is effected.
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Barschall Anne E.
Briody Thomas A.
Chin Stephen
Griffin Robert L.
Haken Jack E.
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