Technical data

Device Hi-Speed Tests 3
Notes on USB Electrical Compliance Testing 63
The USB automated test application will prompt you for the following
voltage measurements:
EL_9 SE0_NAK Test
The USB automated test application will prompt you to perform these
steps:
1 Return the Test switch of the test fixture to the NORMAL position.
2 Cycle the device power to restore the device to normal operation. On
the Device Test Menu of the HS Electrical Test Tool, click [Enumerate
Bus] once.
3 Select TEST_SE0_NAK from the Device Command drop down menu.
Click [EXECUTE] once to place the device into TEST_SE0_NAK test
mode.
4 Switch the test fixture into the TEST position.