Agilent Technologies N5416A Instrukcja Obsługi Pobierz pdf (Strona 219)

Low and Full Speed Tests 7

Notes on USB Electrical Compliance Testing 219

Test Instructions

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. Select Device and click the [TEST] button to enter

the Device Test menu.

2 On the Device Test Menu of the HS Electrical Test Tool software, click

[Enumerate Bus] once. All devices attached to the host controller

should appear in the device enumeration list.

3 Highlight the device under test and select LOOP DEVICE

DESCRIPTOR from the Device Command drop down menu. Click

EXECUTE once.

4 If you do not know which VID/PID belongs to the device under test,

unattach the device under test and enumerate the bus once. Then

reattach the device under test and enumerate again, this time paying

attention to the new device attached.

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Agilent Technologies N5416A Instrukcja Obsługi Strona 219