Technical data
60 Notes on USB Electrical Compliance Testing
3 Device Hi-Speed Tests
Configuring the Tests
Connecting the Equipment
The USB automated test application will prompt you to perform these 
connection steps:
1 Attach the 5V power supply to J5 of the E2649- 66401 (E2645- 66507 if 
you are using the old fixture) Device High- Speed Signal Quality test 
fixture.
2 Place the switch in the test switch to OFF position. Verify the green 
Power LED is lit, and the yellow Test LED is off.
3 Connect the [TEST PORT] of the test fixture into the upstream facing 
port of the device under test, using the 4" USB cable.
4 Connect the [INIT PORT] of the test fixture to a port of the Test Bed 
Computer, using the 5 meter cable.
5 Check  I have completed these instructions.










