The invention relates to a method for using POE system for high and low voltage power supply device and method, the method includes: S110, when the power module is connected to the power supply port of the control module, the power supply module for detection and classification of power module; S120, power supply control module according to the detection and classification results judge and the power module selects the power supply module of a power supply or not. The invention provides methods and apparatuses, compatible with high voltage power supply and low voltage short supply mode, allowing users to choose according to their own actual situation: high use standard (44V-57V or 50V-57V) for power supply, or the use of low voltage (12V) short (such as 5m) direct power supply, in order to reduce the cost of power supply.
【技术实现步骤摘要】
【技术保护点】
1.一种利用POE系统进行高低压选择供电的方法,其特征在于,该方法包括:S110、当受电模块连接至供电控制模块的供电端口时,所述供电模块对受电模块进行检测和分级;S120、供电控制模块根据所述检测和分级的结果进行判断并为所述受电模块选择所述电源模块的一种供电电源或者不予供电。
【技术特征摘要】
【专利技术属性】
技术研发人员:白宏伟,
申请(专利权)人:中兴通讯股份有限公司,
类型:发明
国别省市:94
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