Data telecommunications system and method with universal link es

Details Data telecommunications system and method with universal link es Data telecommunications system and method with universal link es

1985-10-30

1987-07-14

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

370 24, 370 31, 370 41, 371 31, 375121, 379 93, 364900, H04L 108, H04L 2700

Patent

active

046807810

ABSTRACT:
Disclosed is a data telecommunications system and method in which at least one modem which, capable of operating at a variety of transmission speeds, selects the proper speed at which to operate. An initiating modem capable of operating at a plurality of operating speeds compares the maximum operating speed of a receiving modem, and if a match is found, operation begins at that operating speed. If no match is found, operation begins at a default transmission speed.

REFERENCES:
patent: 3644896 (1972-02-01), Chaddha
patent: 3657700 (1972-04-01), Lutzker
patent: 4215243 (1980-07-01), Maxwell
patent: 4270205 (1981-05-01), DeShon
patent: 4377862 (1983-03-01), Koford et al.
patent: 4425664 (1984-01-01), Sherman et al.
patent: 4578796 (1986-03-01), Charalambous et al.

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