![]() Using Data Center Software, here is an example of what you can capture and analyze with the a High-Speed protocol analyzer: For a quick overview of the features of our protocol analyzers, please take a look at this chart. For High-Speed traffic, we recommend using one of the following Total Phase analyzers: The Beagle USB 12 analyzer is an excellent tool for a variety of HID devices such as mice and keyboards, but its speed does not work for the USB devices that operate in High-Speed. ![]() The Beagle USB 12 Protocol Analyzer is a Low-Speed/Full-Speed device – it tracks Low Speed and Full Speed USB traffic. In this window, a mass storage device is selected.Īs you can see in the pictures, the selected device is a High Speed device. This first image shows the left window of the viewer, which displays the USB device per port. It will also display the Device Bus Speed as shown below. The USB Device Tree viewer will display each USB device connected to your computer (mouse, WiFi or Bluetooth adapter, webcam, etc.) on the hub ports. You could cycle through each port of the USB Root Hubs attached to these controllers to see what is connected to that port. When you run the USB Device Tree Viewer, you will see a list of USB Host Controllers. The USB 2.0 standard is broadly divided into 3 different modes based on the speed, also known as the maximum transfer rate, of the devices:Īn easy way to check the speed of a device is using the USB Device Tree Viewer. First, we’ll go over the modes of USB traffic. We have two recommendations for monitoring the USB traffic. Response from Technical Support: Thanks for your questions! There are three modes (speeds) of USB traffic, and our USB protocol analyzers support various ranges of speed. What do I need to look into? Do I need to make any changes to this setup? Question from the Customer: I’m using the Beagle USB 12 Protocol Analyzer and I haven’t been able to view the USB traffic for a composite device: an HID keyboard and an Audio device connected to the USB hub.
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