Here is a guide on how to copy data onto a USB Stick using the short USB cable from a DINI Level PDF Guide on how to copy data onto a USB Stick from a DINI Level
Here is a Trimble document specifying the USB Drive criteria for use with a DINI Level PDF Trimble DINI USB specification
This document outlines the capacity and format of USB sticks that are compatible with the Trimble TSC3 controller. 11.1-Trimble-TSC3-USB-Stick-Compatibility