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POE上电一下子就断开了。这是扫描波形可以看到POE是检测到了PD端和上电了的只是不知道为什么会掉下来请TI官方解答一下谢谢。这个任务有点紧急谢谢。4130.PCB_Project1.PDF（蓝色的是VDD，黄色的是VSS）
正常上电波形
