Agilent Technologies N5416A Manual de Serviço descarregar pdf (Página 102)

102 Notes on USB Electrical Compliance Testing

4 Hub Hi-Speed Tests

Connecting the Equipment

The USB automated test application will prompt you to perform these

connection steps:

1 Attach the 5V power supply to the E2649- 66403 (E2645- 66503 if you

are using the old fixture) Device Receiver test fixture (J5).

a Verify the green Power LED is lit.

b Leave the TEST switch at the OFF position (S1).

c The yellow LED should be off.

2 Connect the [INIT PORT] of the fixture to a Hi- Speed port on the Test

Bed Computer, using the 5 meter USB cable.

3 Connect the [TEST PORT] of the fixture to the device under test, using

the 4" USB cable.

4 Connect the Agilent 113xA differential probe to the test fixture at TP2,

using the 01131- 68703 header adapter (the header adapter is only

needed if you are using the old test fixture).

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Agilent Technologies N5416A Manual de Serviço Página 102