Western Digital My Book Live Duo User Manual - Manual (Page 18)

MY BOOK LIVE DUO
USER MANUAL
CONNECTING THE DRIVE AND GETTING STARTED – 12
Checking the Front Panel LED
The following table describes the front panel tricolor (red/green/blue) LED behavior.
Checking Back Panel (Network) LEDs
The following table describes the network state and activity LEDs.
Note: Looking at the port, with the LEDs on the bottom, the LED on the top is the
Activity LED, and the one on the bottom is the Link LED.
State Color Appearance State Description
Power Off None Displays if the drive is unplugged.
Power On Blue Solid Displays when you first apply power to the
unit.
Boot Yellow Solid Drive has begun loading the Operating
System (OS).
Attention Yellow Blink The following circumstances trigger this
state:
• Disk thermal warning threshold exceeded
(under or over temp)
• Network cable not inserted
Ready Green Solid The OS is now ready.
Activity Green Blink Unit is performing read or write commands
to/from the Hard Drive Disk (HDD).
Fault/action required Red Solid The following faults trigger this state:
• Disk SMART failure
• Data Volume does not exist
• System Volume does not exist
• System thermal shutdown (75

C)
• Unsupported drive detected
Standby Blue Solid Unit is in HDD standby mode.
Software/firmware
update White
(may look
somewhat
violet)
Solid Firmware is currently being updated.
State LED Appearance State Description
Link down Link Off Cable or drive is not plugged in, or other
end of link is not operational.
Link up – 100 Mbps Link Yellow Cable is plugged in, and both ends of the
link have successfully established
communications. Network negotiated at
100 Mbps.
Link up – 1000 Mbps Link Green Cable is plugged in, and both ends of the
link have successfully established
communications. Network negotiated at
1000 Mbps.
Link idle Activity Off Active communication is not in progress.