D-Link DUB-1210 User Manual page 13

Section  - Configuration
The following prompt appears when the installation is
complete.
Click Finish.
You will be prompted to insert the DUB-1210 Wireless
USB Dongle into an available USB port and push the
Start button on the DUB-2240 Wireless USB Hub.
Click OK.
D-Link DUB-940 User Manual 1