System including multiple device communications controller which coverts data received from two different customer transaction devices each using different communications protocols into a single communications protocol
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United States of America Patent
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Aug 24, 1993
Issued Date -
N/A
app pub date -
Jun 26, 1992
filing date -
Sep 15, 1986
priority date (Note) -
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status (Latency Note)
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Abstract
In a store data communications system, multiple data sources having disparate communications standards are connected with respective device interfaces of a multiple device communications controller unit. Multiple protocol controllers are coupled with the respective device interfaces and convert the data from each to a common protocol for transmission via a single telephone line. The interface units preferably can be customized to operate with various data sources, a fiber optic coupler, or a modem, or another controller unit for convenient expansion. The device interfaces preferably have snap-in assembly with the controller unit so that device interfaces customized to different standards can be inserted or replaced at any interface receptacle, the multiple protocol controllers preferably being capable of corresponding re-programming by downloading from a remote station preferably via one of the device interfaces.
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