Interconnection system for the attachment of user equipments to

Details Interconnection system for the attachment of user equipments to Interconnection system for the attachment of user equipments to

1990-04-06

1992-06-02

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 79, 370 851, 370 857, 370 941, H04J 312, H04J 324

Patent

active

051193760

ABSTRACT:
Interconnection system for attaching a maximum number n of equipment users EU (DCE or DTE) to the line adapter (2) of a communication processing unit. The user data and control bits are carried on transmit and receive serial link 4 and 6 in data and control slot entities arranged in frame of period T, comprising one entity per user. These entities are allocated to the user equipments through multiplexing/demultiplexing circuit (10), link adapters (12-1) to (12-8) and connecting boxes (30-1) to (30-8). The user equipments are connected through active remote modules which are specific to the standardized interfaces of the user equipments. Link adapters (12-1) to (12-8) add to the data and control slot entities an outband slot which is used for exchanging control information, such as the active remote module address and type which are stored in memory (42), to be transmitted to the line adapter (2). The advantage of the interconnection system is that the attachment of the user equipments is simplified.

REFERENCES:
patent: 4079452 (1978-03-01), Larson et al.
patent: 4547880 (1985-10-01), De Vita et al.
patent: 4760573 (1988-07-01), Calvignac et al.
patent: 4763321 (1988-08-01), Calvignac et al.
patent: 4811339 (1989-03-01), Bouillot et al.
patent: 4819230 (1989-04-01), Calvignac et al.
EDN Magazine vol. 26, No. 3, Feb. 1981, p. 88, "MC Design Techniques".

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