Chapter 4 - Managing and Monitoring
Status Indicator LEDs
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Status Indicator LEDs
The Status Indicator LEDs located above the Alarm Reset button, comprise the Power-On
LED, Channel Status LED, Power Supply Status LED, and Fan Status LED. The following
are descriptions of each of the LEDs.
Power-On LED
The Power-On LED signifies that the enclosure is powered on and will be illuminated
green when power has been applied.
Channel Status LED
The LED will indicate the status of the logical array(s) when a RAID Controller is installed.
It is not applicable in JBOD mode.
Power Supply Status
The Power Supply Status LED indicates the condition of the power supplies. The LED will
illuminate steady green when both power supplies are functioning normally and will change
to amber if one of the power supplies should fail or be turned off.
A failed power supply can be identified by the illumination of the amber “Fault” LED
located on the individual power supply.
Fan Status
The Fan Status LED indicates the condition of the cooling fans. The LED will illuminate
green when both fans are functioning normally and will change to amber if either of the
fans fail.
Drive LEDs
The Drive LEDs are located on the left side of the front bezel between the ventilation ribs
and comprise the Drive Status LEDs and Drive Activity LEDs. The Drive LEDs are
grouped in pairs and are in the general location of the disk drive slot.
These Drive LEDs assist with identifying array status, the presence of a drive in a drive slot,
and which drives are experiencing I/O activity.
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