Technical data

Low and Full Speed Tests 7
Notes on USB Electrical Compliance Testing 189
Configuring the Tests
Drop Test - Connecting and Using the New E2649-66405 Droop/Drop Test Fixture
1 For 54831B/D and 54832B/D oscilloscopes, use 1165A passive probes.
For the 5485XA, 9000A Series, 80000, and 90000A Series oscilloscopes,
use E2697A high- impendance converter with 10:1 passive probes, or
1156A active probes. The picture after Step 12 shows the connection
setup.
2 Click on the Set Up tab and check the New DroopDrop Fixture box.
Also click on the Droop Drop Ports button and select the test ports
you want to use on the fixture. Select either Hub or Host as your
Device Test Point.