Technical data

136 Notes on USB Electrical Compliance Testing
4 Hub Hi-Speed Tests
Running the Tests
1 Click Run Tests.
Test Instructions
EL_8 J Test
The USB automated test application will prompt you to perform these
steps:
1 On the Hub Test menu of the HS Electrical Test Tool, click [Enumerate
Bus] once.
2 Select TEST_J from the Port Control drop down menu. Enter port
number and click [EXECUTE] once to place the port under test into
TEST_J test mode.
3 Click OK to close the Test Instructions dialog.
The USB automated test application will prompt you for the following
voltage measurements: