Universal AC sequencer for a server
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United States of America Patent
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Jul 1, 1997
Grant Date -
N/A
app pub date -
Mar 22, 1996
filing date -
Mar 22, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An AC sequencer receives source AC voltage via a sequencer-mounted universally accepted connector, such as an IEC 309 compatible connector. Source AC is coupled by an AC connector plug and AC power cord from a wall socket to the AC sequencer via a mating connector. Although specifications for the AC power cord and AC connector will vary from country to country, the same AC sequencer may be used in many countries. Further, the AC sequencer receives control and status signals via sequencer-mounted universally accepted connectors, and can respond to signals that may be voltage-sourced, current-sourced, in addition to signals representing switch openings and closures. This permits a master server AC sequencer to be intelligently daisy-chained to remote slave units containing a similar AC sequencer, such that status information may be received from and control signals sent to the slave unit.
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