Technical data

80 Notes on USB Electrical Compliance Testing
4 Hub Hi-Speed Tests
Running the Tests
1 Click Run Tests.
Test Instructions
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 the
[Enumerate Bus] button once. The hub under test should be
enumerated with the hub's VID shown together with the USB address.
2 Select TEST_PACKET from the Port Control drop down menu.
3 Enter the port number of the hub port being tested and click
[EXECUTE].
4 Click OK to close the Test Instructions dialog.
EL_6 Rise Time
EL_6 Fall Time
EL_2 EL_3 Data Eye and Mask Test
After viewing the test results, click OK to close the Test Instructions
dialog.
EL_7 Non-Monotonic Edge Test