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目前计算机的USB接口已经大量使用,当一台计算机接多个USB外部设备时,如果这些外部设备或者连接电缆中介入了高电压干扰,就可能会烧坏计算机的USB口甚至主板。下面介绍几种对USB接口的隔离保护方案。
At present, the computer’s USB interface has been extensively used. When a computer connects to multiple USB external devices, if these external devices or connecting cables intervene in high-voltage interference, the computer’s USB port or even the motherboard may be damaged. Here are some of the USB interface isolation protection program.