SLLSFM9 March 2021 TUSB216I
USB-IF certification tests for High-speed eye masks require the mandated use of the USB-IF developed test fixtures. These test fixtures do not require the use of oscilloscope probes. Instead they use SMA cables. More information can be found at the USB-IF Compliance Updates Page. It is located under the Electrical Specifications section, ID 86 dated March 2013.
The following procedure must be followed before using any oscilloscope compliance software to construct a USB High-speed Eye Mask: