Agilent Technologies N5416A Manual de Serviço descarregar pdf (Página 225)

Low and Full Speed Tests 7

Notes on USB Electrical Compliance Testing 225

cable from the host. Connect the device/hub upstream port to the

SQiDD board using a known good USB cable.

2 Check I have completed these instructions.

Running the Tests

1 Click Run Tests.

Test Instructions

VBUS

The USB automated test application will prompt you to: measure the

voltage between Vbus and Gnd on the SQiDD board and record the value.

D+

The USB automated test application will prompt you to: measure the

voltage between D+ and Gnd on the SQiDD board and record the value.

D-

The USB automated test application will prompt you to: measure the

voltage between D- and Gnd on the SQiDD board and record the value.

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Agilent Technologies N5416A Manual de Serviço Página 225