Tektronix TDSUSB2, Руководство пользователя

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Measurement Algorithms
Figure 132: Equipment setup for Suspend test
Reset from High Speed Test Equipment Setup
To set up the Device SQ in the test fixture for the Reset from High Speed test,
follow these steps:
1. Set the S6 switch to the Init position.
2. Use a standard length of the USB cable with an A plug on one end and a B
plug on the other end.
3. Connect one end of the cable to the B socket on the Init port of the Device
SQ section and the other end to the host port A socket.
4. Connect the A receptacle from the Device SQ test port to the unit under test
(device).
5. Connect the single-ended probes of the oscilloscope to the D+ and D– pins.
6. Select the Reset from High Speed from the application, configure its options
and select the Run button to run the application.
7. Select OK after acquiring a waveform. Verify that it is a correct waveform.
TDSUSB2 Universal Serial Bus Measurement Package 221