BECKHOFF CU8890-0000 - Manual (Page 24)

Software installation
Click
Install to start the installation procedure. The required data will now
be copied to the hard disk.
Click
Finish and the installation is completed:
In the task bar of your computer you now
see the crossed Ralink symbol that indicates
an inactive USB connection.
Connecting USB cable
Connect now the CU8890 WLAN controller with your computer via the
USB cable.
When the USB connection is active you
see the following symbol in the task
bar:
22 CU8890-0000