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A flashing red light which flashes in four second interfals indicates a power
failure.
When notified of an alert, check the routing of the cables and make sure all fans
are present and operating normally. You should also check to make sure that the
chassis covers and air shrouds are installed. Finally, verify that the heatsinks are
installed properly. This LED will remain flashing or on as long as the temperature
is too high or a fan does not function properly.
NIC
Indicates network activity on either LAN1 or LAN2 when flashing.
3-4
Drive Carrier LEDs
SATA Drives
Each drive carrier has two LEDs.
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Blue: When illuminated, this blue LED (on the front of the drive carrier) indicates
drive activity. A connection to the backplane enables this LED to blink on and
off when that particular drive is being accessed.
•
Red: The red LED to indicate a hard drive failure. If one of the hard drives fail,
you should be notified by your system management software.
Chapter 3: System Interface
3-3
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