Technical data
Low and Full Speed Tests 7
Notes on USB Electrical Compliance Testing 221
Back-Voltage Test Before Enumerate
Equipment Used
Selecting the Tests
Tabl e 4 2 Equipment Used in Back-Voltage Test
Quantity Item Description/Model
1 Digital Multimeter
(DMM)
Agilent 34401A or equivalent
1SQiDD board or
back-voltage test fixture
Agilent E2646A/B
1 1 meter USB cable Any listed on USB-IF web site