Agilent Technologies N5416A Servisní příručka stáhnout pdf (Strana 38)

38 Notes on USB Electrical Compliance Testing

3 Device Hi-Speed Tests

Running the Tests

1 Click Run Tests.

Test Instructions, Part 1

The USB automated test application will prompt you to perform these

steps:

1 Invoke the HS Electrical Test Tool software on the Hi- Speed Electrical

Test Bed computer.

2 Select Device and click the [TEST] button to enter the Device Test

menu.

3 Click OK to close the Test Instructions dialog.

Test Instructions, Part 2

The USB automated test application will prompt you to perform these

steps:

1 The device under test should be enumerated with the device's VID

shown together with the root port in which it is connected.

2 Select TEST_PACKET from the Device Command drop down menu and

click [EXECUTE]. This forces the device under test to continuously

transmit test packets.

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Agilent Technologies N5416A Servisní příručka Strana 38