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3: System Interface
Power
SATA Drive Carrier LEDs
22
Figure 3-7
Hard Drive Activity LED
The power LED indicates power is being supplied to the system's power supply units is shown in
Figure
3-8. This LED should normally be illuminated when the system is operating.
Figure 3-8
Power On LED
Each SATA drive carrier has two LEDs, as follows:
•
Green: When illuminated, the green LED on the SATA drive carrier indicates drive activity.
A connection to the SATA backplane enables this LED to blink on and off when that
particular drive is being accessed. Please refer to Chapter 6 for instructions on replacing
failed drives.
•
Red: The red LED indicates a SATA drive failure. If one of the drives fails, you should be
notified by your system management software. Please refer to Chapter 6 for instructions on
replacing failed drives.
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