Circuit arrangement and method for multi-address switching opera

Details Circuit arrangement and method for multi-address switching opera Circuit arrangement and method for multi-address switching opera

1980-03-10

1982-10-12

Brown, Thomas W.

Multiplex communications

Wide area network

Packet switching

178 3, 370 84, H04J 316, H04L 522

Patent

active

043542611

ABSTRACT:
A circuit arrangement for multi-address switching operations of digital encoded signals between a calling data terminal and a variety of called data terminals operating with different data transmission procedures is adapted for use with an electronic data switching system and comprises at least two interface circuits having input/output converting networks. External input terminals of these interface circuits are adapted for connection with respective input/output units of the electronic data switching system for each type of data terminal. Internal input/output terminals are connected to a storage unit for storing a multi-address message, including data information to be transmitted and identification information of the called data terminals. A control unit is provided for controlling the input/output operations and transmitting the buffered data information separately and in sequence to each of the called data terminals one after another across the interface circuit assigned to the currently called type of data terminal and with the respective data transmission procedures.

REFERENCES:
patent: 3697672 (1972-10-01), Reisch
patent: 3804987 (1974-04-01), Cooper
patent: 4058672 (1977-11-01), Crager et al.
Siemens System EDS; System Description, Bereich Fernschreibund Datenverkehr, Oct. 1977, (Munich).
"EDS-A New Electronic Data Switching System for Data Communication", Gosslau et al., Nachrichtentechnische Zeitschrift (22), 1969, No. 8, pp. 444-463, (Berlin).
"The Public Switched Data Network of The Deutsche Bundespost . . . ", published in Evolutions on Computer Communications, 1978, pp. 9-16.
"A Commercial Test of Digital Networks and its Future Survey", published in International Switching Symposium, Japan, 1976, pp. 441-1-1 to 441-1-8.
"Traffic Handling Characteristics of a Multi-Address Calling System", published in Transactions of the IECE of Japan, vol. E60, 1977, pp. 497-498.
Fully Automatic Multi-Address Service . . . ", published in Siemens Review, XLV (1979), No. 5, pp. 234-238.

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