Multiple Current Limits for Power Over Ethernet Controller
First Claim
Patent Images
1. A power over Ethernet controller comprising:
- a control circuitry;
at least one powering port, each of said at least one powering port comprising a unique means for controlling a switch associated therewith; and
at least one current limiter, each of said at least one current limiter being associated with a unique one of said at least one powering port, each of said at least one current limiter being operable to limit the current through the controlled switch to a particular one of a plurality of values, each of said values being in excess of 100 mA, said particular value being selected responsive to said control circuitry.
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Abstract
A power over Ethernet controller comprising: a control circuitry; at least one powering port, each of the at least one powering port comprising a unique means for controlling a switch associated therewith; and at least one current limiter, each of the at least one current limiter being associated with a unique one of the at least one powering port, each of the at least one current limiter being operable to limit the current through the controlled switch to a particular one of a plurality of values, each of the values being in excess of 100 mA, the particular value being selected responsive to the control circuitry.
18 Citations
24 Claims
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1. A power over Ethernet controller comprising:
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a control circuitry;
at least one powering port, each of said at least one powering port comprising a unique means for controlling a switch associated therewith; and
at least one current limiter, each of said at least one current limiter being associated with a unique one of said at least one powering port, each of said at least one current limiter being operable to limit the current through the controlled switch to a particular one of a plurality of values, each of said values being in excess of 100 mA, said particular value being selected responsive to said control circuitry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of powering over communication cabling, the method comprising:
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providing a plurality of current limit values, each of said provided current limit values being in excess of 100 mA;
providing at least one powering ports, each of said provided at least one powering port having associated therewith a current limiter limiting the current flowing through said powering port; and
setting said associated current limiter of each of said provided at least one powering port to a particular one of said provided plurality of current limit values. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A power over Ethernet controller supporting a plurality of powering ports, the power over Ethernet controller comprising:
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a control circuitry;
a plurality of powering ports, each of said powering ports comprising a switch responsive to said control circuitry; and
a plurality of current limiters, each of said plurality of current limiters being associated with a unique one of said powering ports, each of said plurality of current limiters being operable to limit the current through said switch to a particular one of a plurality of values, each of said values being in excess of 100 mA, said particular value being selected responsive to said control circuitry.
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23. A power over Ethernet controller comprising:
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a control circuitry;
a powering port comprising a switch responsive to said control circuitry; and
a current limiter arranged to limit the current through the controlled switch to a particular one of a plurality of values, each of said values being in excess of 100 mA, said particular value being selected responsive to said control circuitry.
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24. A power over Ethernet controller comprising:
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a control circuitry;
a powering port comprising a means for controlling a switch associated therewith; and
a current limiter operable to limit the current through the controlled switch to a value responsive to said control circuitry, said control circuitry being operable to detect a powered device connected to said at least one powering port, classify the power requirements of the detected powered device and set the current limiter to a particular value responsive to said classified power requirements.
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Specification