Agilent Technologies N5416A Manuel de service Page 135

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Hub Hi-Speed Tests 4
Notes on USB Electrical Compliance Testing 135
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- 66402 (E2645- 66508 if
you are using the old fixture) Host High- Speed Signal Quality test
fixture. Verify the green Power LED is lit. Place the TEST switch (S1) in
the Test position and the yellow Test LED is lit.
2 Connect the [TEST PORT] of the test fixture into the downstream facing
port of the hub under test, using the 4" USB cable.
3 Attach the hub upstream port to the host controller port, using the 5
meter cable.
4 Apply power to the hub.
5 Check I have completed these instructions.
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