Technical data

88 Notes on USB Electrical Compliance Testing
4 Hub Hi-Speed Tests
Running the Tests
1 Click Run Tests.
Test Instructions
1 In the Hub Test menu of the HS Electrical Test Tool, click [Enumerate
Bus] once and verify the hub successfully enumerates.
2 Attach the [TEST PORT] of the test fixture to the port under test.
3 From the Port Control window of the Hub Test menu, select
TEST_FORCE_ENABLE.
4 Enter the port number and click [EXECUTE] once and ensure
operation is successful in the Status Window.
5 Click the Disconnect Notify check box to monitor the disconnect status
in the Status Window.
6 Click OK to close the Test Instructions dialog.
EL_37 Disconnect Detect Test At 525mV Threshold
The USB automated test application will prompt you to answer the
question “Does the Status Window display Disconnect Event Detected?”
EL_36 Disconnect Detect Test At 625mV Threshold
The USB automated test application will prompt you to: Set the Test
switch of the E2645- 66506 Disconnect test fixture to the Normal position
and verify the yellow TEST LED is not lit.