D-Link ShareCenter DNS-320L User Manual page 398

Section 4 - Configuration
3. Go to System Management, USB Devices. Under USB Storage
Information, you will see detailed information on the device you
plugged into the DNS-320L. You can connect an Android device
but enable USB debugging.
4. When the backup is complete, the flashing white LED will become
solid white. Click and hold the USB button at the front for over 5
seconds and the DNS-320L unmounts the device.
DNS-320L
D-Link ShareCenter™ User Manual
392