Technical data

78 Notes on USB Electrical Compliance Testing
4 Hub Hi-Speed Tests
Hub Hi-Speed Signal Quality Test - Downstream Facing Ports
Equipment Used
Selecting the Tests
Table 16 Equipment Used in Hub Hi-Speed Signal Quality Test - Downstream Facing Ports
Quantity Item Description/Model
1 Oscilloscope Agilent 5485xA, 9000A Series, 80000 or 90000A Series
1 Differential probe Agilent 113xA with E2699A or E2678A
1 Header adapter (only
needed if you are using
the old test fixture -
E2645-66508)
Agilent 01131-68703
1 Host test bed computer Any computer with hi-speed USB ports
1 Host Hi-Speed Signal
Quality test fixture and 4”
USB cable
Agilent E2649-66402 (olf fixture P/N E2645-66508)
1 5V power supply Agilent 0950-2546 or equivalent