Small screwdriver or ballpoint pen - to press the recessed button on the front panel of the Xenon device.
USB memory stick containing a valid configuration file generated by Tofino Configurator software.
Insert the USB memory stick into the USB connector on the front panel of the Xenon device.
Press the recessed "Save/Load/Reset" button 2 times. The "Save/Load" indicator on the Xenon should be Yellow when this is done.
After a few seconds, the "Mode", "Save/Load", and "Reset" indicators will flash in a cyclic right-to-left pattern while the load is performed.
How do I perform a USB Load on Tofino Xenon? - Knowledgebase / Tofino - Tofino Security Support Center