读取和控制电源控制器电源供应器能够通过后面板上的DB9插头经电平转换电路连接到RS-232接口上，下面的内容可以帮助您了解如何通过PC控制电源供应器的输出。-Read and control the power controller power supply to the rear panel DB9 connector by the level conversion circuit connected to the RS-232 interface, the following would h