Agilent Technologies N5416A Servisní příručka stáhnout pdf (Strana 60)

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.

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Agilent Technologies N5416A Servisní příručka Strana 60