Technical data

Host Hi-Speed Electrical Tests 5
Notes on USB Electrical Compliance Testing 157
Running the Tests
1 Click Run Tests.
Test Instructions
The USB automated test application will prompt you to perform these
steps:
1 Attach the [TEST PORT] of the test fixture to the port under test, using
the 4" USB cable.
2 In the Host Test Menu of the HS Electrical Test Tool, select
TEST_FORCE_ENABLE from the Port Control drop down menu.
3 Enter the port number and click [EXECUTE] once and ensure
operation is successful in the Status Window.
4 Click the Disconnect Notify check box to monitor the disconnect status
in the Status Window.
5 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 E2649- 66404 Disconnect test fixture (E2645- 66506 if you are
using the old fixture) to the Normal position and verify the yellow TEST
LED (D2) is not lit.