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    • 22. 发明授权
    • Enhanced utilization of power over ethernet
    • 提高以太网供电能力
    • US08930729B1
    • 2015-01-06
    • US12345629
    • 2008-12-29
    • David FifieldDennis Wu
    • David FifieldDennis Wu
    • G06F1/26G06F1/18H04L12/24
    • G06F1/26G06F1/18H04L12/10Y02D50/00
    • An embodiment of the invention includes a circuit to determine the power lost between a network device and a network power supply. Using this determination, an embodiment of the network device may increase its power consumption by an amount equal to the difference between the actual cable power loss and the worst-case cable power loss. This allows the network device to draw more power than allowed by network power standards without triggering the power-limiting circuitry of the network power source or overloading the network power device. The network device can determine an operating configuration that utilizes this additional power consumption to improve performance. The network device may also determine the existence of network power device or cable fault conditions, and adjust its operating configuration as necessary. Operating configurations can include enabling additional or more powerful wired or wireless network interfaces.
    • 本发明的实施例包括确定网络设备和网络电源之间的功率损耗的电路。 使用该确定,网络设备的实施例可以将其功率消耗增加等于实际电缆功率损耗和最坏情况的电缆功率损耗之间的差值。 这允许网络设备比网络电源标准允许的功率更多,而不会触发网络电源的功率限制电路或者超载网络电源设备。 网络设备可以确定利用该额外功耗的操作配置来提高性能。 网络设备还可以确定网络功率设备或电缆故障状况的存在,并根据需要调整其操作配置。 操作配置可以包括启用附加或更强大的有线或无线网络接口。