26
DSOX4USBSQ USB 2.0 Signal Quality Analysis Application Electrical Testing Notes
2
Device Signal Quality Testing
Device Hi-Speed Compliance Test Packets
To set up the Host computer to transmit compliance test packets, perform
these steps:
1
Invoke the HS Electrical Test Tool software on the Hi- Speed Electrical
Test Bed computer.
2
Select
Device
and click the
TEST
button to open the Device Test dialog
box.
3
In the Device Test dialog box, the device under test should be
enumerated with the device's VID shown together with the root port in
which it is connected.
1
2
3
4
Hi-Speed Host
5m Cable
Device Under Test
4“
Init. Port
Test
Port
5V
D+
D-
TP2
Device
Hi-Speed
Signal Quality
Test Fixture
SMA cables
