Agilent Technologies N5416A Servisní příručka stáhnout pdf (Strana 157)

Host Hi-Speed Electrical Tests 5

Notes on USB Electrical Compliance Testing 157

Running the Tests

1 Click Run Tests.

Test Instructions

The USB automated test application will prompt you to perform these

steps:

1 Attach the [TEST PORT] of the test fixture to the port under test, using

the 4" USB cable.

2 In the Host Test Menu of the HS Electrical Test Tool, select

TEST_FORCE_ENABLE from the Port Control drop down menu.

3 Enter the port number and click [EXECUTE] once and ensure

operation is successful in the Status Window.

4 Click the Disconnect Notify check box to monitor the disconnect status

in the Status Window.

5 Click OK to close the Test Instructions dialog.

EL_37 Disconnect Detect Test At 525mV Threshold

The USB automated test application will prompt you to answer the

question “Does the Status Window display Disconnect Event Detected?”

EL_36 Disconnect Detect Test At 625mV Threshold

The USB automated test application will prompt you to: Set the Test

switch of the E2649- 66404 Disconnect test fixture (E2645- 66506 if you are

using the old fixture) to the Normal position and verify the yellow TEST

LED (D2) is not lit.

1 2 ... 152 153 154 155 156 157 158 159 160 161 162 ... 235 236

Žádné komentáře

Agilent Technologies N5416A Servisní příručka Strana 157