Sabio DM4 User Manual page 17

3. Turn the power switch to the "on" position.
4. When connected, the Power LED light will become steadily green, and the
HDD LED lights will become white and blink about 15 seconds. If the
HDDs are inside the RAID System, the HDD LED lights will remain
steadily white. If there are no HDDs inside the RAID System, the HDD
LED lights will turn off after blinking.
ON
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