Fault-tolerant communications controller system
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United States of America Patent
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-
Aug 19, 1986
Grant Date -
N/A
app pub date -
Nov 14, 1983
filing date -
Nov 14, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a system for controlling multiple communications lines, so that a computer system can operate with a single component failure. Two processors are used to control two communications controllers and each of the controllers control up to 15 line controllers. Each line controller has two ports and each port is connected to a communications controller thereby providing two communications paths to each processor. Redundant power supplies are also used to provide single failure fault-tolerance. A downloadable microprocessor board is provided in combination with, but separate from, an interface board that is designed to meet various communication format specifications and the line controller comprises the two boards.
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