Crestron UPX-2 Operation Manual page 12

Crestron UPX-2 Universal Presentation Processor
Crestron Toolbox Address Book Setup for Serial Connection
7. Click the System Info icon and select UPX2 from the drop-down list if
it is not already selected. If communication is successful, the "System Info"
window displays the firmware version number, Cresnet ID, connection
parameters, memory usage, and hardware information.
Crestron Toolbox – System Info
x ¥ Universal Presentation Processor: UPX-2 Operations Guide – DOC. 6276B