Technical data

Hub Downstream Signal Quality Testing 5

DSOX4USBSQ USB 2.0 Signal Quality Analysis Application Electrical Testing Notes 75

Full Speed

Test Device

SQiDD

Probe D+ and D- in

Host Under Test Path

Host

(Self-powered) Hub 1

(Self-powered) Hub 2

(Self-powered) Hub 3

(Self-powered) Hub 4

Hub Under Test

5m Cable

D+ D-

Full Speed Hub

Hi-Speed Hub