Multiplex communications – Wide area network – Packet switching
Patent
1993-07-23
1995-10-24
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
370 857, 3701101, 375216, H04J 312
Patent
active
054616204
ABSTRACT:
A device is provided for rapid data exchange between a telecommunications transmitter (T) and a data processor (PC), and includes a driver (TSV) and an intermediate line (FAST-LINK). The driver (TSV) is arranged between a terminal adapter (ADAPT) of the telecommunications transmitter (T) and an interface of the data processor (PC). The intermediate line (FAST-LINK) is arranged between the driver (TSV) and the data processor (PC). The telecommunications transmitter (T) is connected to a telecommunications network (ISDN) having a signalling channel and a user channel. The telecommunications transmitter (T) has an interface circuit (S) for adjusting transmission parameters between the telecommunications network (ISDN), the telecommunication transmitter (T) and the data processor (PC), has a first layer unit (1) for ensuring that data is transmitted in both directions on the signalling channel and the data channel, has a second layer unit (2) for assigning signalling channel data to the telecommunications transmitter (T) and to the data processor (PC), has a third layer unit (3) for identifying in the telecommunications transmitter (T) all the messages from a signalling activity (Call Reference) to differentiate which devices the user channel data should be assigned, and has an operating part (4) for entering keyboard inputs and a receiver for receiving acoustical inputs and providing acoustical outputs.
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Bergler Frank
Kauffert Uwe
ALCATEL N.V.
Safourek Benedict V.
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