Push the latch button to access the drive bays then just slide your drives into place and you39re ready a convenient usb port on the back of the sharecenter can be used to either share a usb printer with an entire home or office or attach an external usb storage drive for easy one touch backup you can also connect an uninterruptible power supply ups to monitor power levels and ensure the safety of your data in the event of a power failure plus you can copy the contents of a usb dongle at the