PC server telecommunications power system
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United States of America Patent
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Aug 13, 2002
Grant Date -
N/A
app pub date -
Nov 10, 1998
filing date -
Nov 12, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system within a PC server cabinet for receiving an externally supplied loop feed voltage (-48 VDC) and generating a ringing voltage (75 VAC) from the loop feed voltage. For universal applicability, the ringing voltage generator is preferably located in a 5.25 inch standard disk-drive housing of the cabinet, allowing it to fit into any PC. All required telecommunications signaling and power is thereby provided in the PC while limiting accidental user exposure to hazardous ringing signal voltage levels.
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