Information transport system employing telephone lines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 12, 1987
Grant Date -
N/A
app pub date -
Sep 7, 1984
filing date -
Sep 7, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data transport system connects with a telephone system for communication of data via subscriber telephone lines to a provider of data services. Connection of multiplexing circuitry to a set of subscriber lines is accomplished at a main distribution frame by adapters or access blocks set between arc suppressors and a terminal block. The multiplexing circuitry is activated by signals of a line scan unit which, in turn, cooperates with a host computer associated with the provider of data services. This arrangement bypasses the central switching equipment. The data may be transmitted out of voice band, if desired, to enable simultaneous voice and data transmission. Passive, active and interactive data can be transmitted by the data transport system.
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