Technical data

172 Notes on USB Electrical Compliance Testing
5 Host Hi-Speed Electrical Tests
3 Click OK to close the Test Instructions dialog.
The USB automated test application will prompt you for the following
voltage measurements:
EL_9 SE0_NAK Test
The USB automated test application will prompt you to perform these
steps:
1 On the Host Test menu of the HS Electrical Test Tool software, select
TEST_SE0_NAK from the Port Control drop down menu.
2 Enter the port number. Click [EXECUTE] once to place the port under
test into the TEST_SE0_NAK test mode.