Technical data

152 Notes on USB Electrical Compliance Testing
5 Host Hi-Speed Electrical Tests
EL_21 Sync Field Length Test
EL_25 EOP Length Test
EL_23 Inter-packet Gap Between First 2 Packets Test
EL_22 Inter-packet Gap Between 2nd and 3rd Packet Test
Test In struc t i ons , Part 3
The USB automated test application will prompt you to perform these
steps:
1 In the Host Test menu of the HS Electrical Test Tool software, click
[STEP] once again.
You should see the transmitted test packet on the oscilloscope as below.