APC RAID Subsystem SCSI-SATA II Specifications Page 47

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Chapter 3 Subsystem Monitoring
LED Name Color Status
PWR Blue
ON indicates that power is being supplied to the subsystem.
OFF indicates that no power is being supplied to the
subsystem or the subsystem/RAID controller has failed.
BUSY White
ON indicates that there is active traffic on the host/drive
channels.
OFF indicates that there are no activities on the host/drive
channels.
ATTEN Red
ON indicates that a component failure/status event has
occurred.
OFF indicates that the subsystem and all its components are
operating correctly.
Table 3-4: LCD Panel LED Definitions
NOTE:
During the power up process, the LCD panel ATTEN LED will be turned on. If the
subsystem boots up correctly, then the ATTEN LED will be turned off after the boot up
procedure is complete.
Status-indicating LEDs 3-5
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