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MY BOOK DUO
USER MANUAL
Reset Button Access Hole
USB Hub Connectors
USB 3.0
Kensington
® Security Slot
3-amp Power Connector
Figure 3. Back of the My Book Duo Device
Device Power/Activity LED
The device power/activity LED shows the condition of the device as follows:
LED Appearance
Device Condition
Black (off)
Powered down or not connected to a computer
White, steady
Powered up, connected, and idle
White, blinking slowly
Standby—initiated by the device sleep timer setting
White, blinking rapidly
Read or write activity or rebuilding a RAID 1 array
Red, blinking slowly
RAID fault status condition
Red, blinking rapidly
Overheated
Drive Status LEDs
The drive status LEDs show the drive status as follows:
LED Appearance
Drive Status
Black (off)
Normal, no fault
Red, steady
Drive has a RAID fault condition or is rebuilding
USB 3.0 Interface
USB 3.0 supports data transfer rates up to 5 Gb/s. USB 3.0 is backward compatible
with USB 2.0. Connection to a USB 2.0 port transfers data at the port speed—up to
480 Mb/s.
ABOUT YOUR WD STORAGE DEVICE – 5