For the traditional TYPE-C hard disk box test, two cables need to be prepared. The first cable has only a USB3.0 data cable without USB2.0, and the second cable has only a USB2.0 data cable without USB3.0. When testing the TYPE-C USB3.0 rate channel, first insert the USB3.0 data cable to test the USB3.0 channel on side 1 of the TYPE-C, Then pull out the cable and rotate 180 degrees before inserting it into the USB3.0 channel on the other side of the test TYPE-C USB2.0, When testing the TYPE-C USB2.0 rate channel, use the device with only USB2.0 data cable to plug into the TYPE-C interface to test the USB2.0 rate, Only through the above steps can the channel test of TYPE-C interface be completed. The traditional test method is complicated, time-consuming, easy to detect, and misses the test