Usb 2.0 Triggering And Serial Decode; Setup For Usb 2.0 Signals - Agilent Technologies 4000 X-Series User Manual

USB 2.0 triggering and serial decode requires:
• Option USF or the DSOX4USBFL upgrade for full/low speed decode.
• Option U2H or the DSOX4USBH upgrade for high speed decode.

Setup for USB 2.0 Signals

To set up the oscilloscope to capture USB 2.0 signals:
1 Press [Serial].
2 Press the Serial softkey, turn the Entry knob to select the desired slot
3 Press the Mode softkey; then, select USB trigger type.
4 Press the Speed softkey and specify the speed of the USB signal:
5 Press the Signals softkey to open the USB Signals Menu.
Agilent InfiniiVision 4000 X-Series Oscilloscopes
User's Guide
29

USB 2.0 Triggering and Serial Decode

Setup for USB 2.0 Signals
USB 2.0 Triggering
USB 2.0 Serial Decode
(Serial 1 or Serial 2), and press the softkey again to enable decode.
Low (1.5 Mb/s) — requires two single- ended probes.
•
Full (12 Mb/s) — requires two single- ended probes.
•
High (480 Mb/s) — requires a differential probe.
•
Analog channels can be used for any of these speeds. Digital channels
can be used for Low and Full speed only.
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