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Chapter 2: ReadyNAS Ultra 4
ReadyNAS Ultra Hardware Manual
LED and Status Information
The status information for the ReadyNAS Ultra 4 is shown on the bottom of the unit. Each
function is described in the following table.
Item
Description
Power button / LED
Push the button to turn on the ReadyNAS. The Power LED blinks while the
ReadyNAS is booting.
Blue
: The unit is powered on.
Off
: The unit is powered off.
Preferred shutdown
: If the unit is running, pressing the power button once
begins the graceful shutdown blink pattern on the LEDs. Pressing the power
button a second time within 5 seconds confirms and initiates the graceful
shutdown.
Forced shutdown
: If the unit is hung, you can press and hold the power button
for 5 seconds to force shutdown.
Disk LEDs (1, 2, 3, 4)
On
: Power is on and disks are operating normally.
Blinking
: Resync is ongoing or disk failed on the channel.
Disk Activity LED
Blinking
: Indicates disk activity.
Off
: No activity is detected.
Ethernet Link LED
Green
: The port is operating at 1,000 Mbps.
Amber
: The port is operating at 100 Mbps.
Off:
The port is operating at 10 Mbps.
Rear panel USB ports
No associated LEDs.
Reset button
When used to access the boot menu:
1. Power off your ReadyNAS.
2. Using a paper clip, press and hold the Reset button.
3. Power on the ReadyNAS.
4. Continue to press the reset button until “Boot Menu” is shown on LCD
display.
5. Use Backup button to select desired boot mode.
6. Press and release Reset button to confirm boot menu selection, system will
boot into selected boot mode.
