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S
S
S
UPER
TORAGE
YSTEM 2028R-ACR24L User's Manual
Power Fail
Indicates a power supply module has failed. The second power supply module will
take the load and keep the system running but the failed module will need to be
replaced. Refer to Chapter 6 for details on replacing the power supply. This LED
should be off when the system is operating normally.
Overheat/Fan Fail
When this LED flashes, it indicates a fan failure. When on continuously it indicates
an overheat condition, which may be caused by cables obstructing the airflow in
the system or the ambient room temperature being too warm. 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 are installed. Finally, verify that
the heatsinks are installed properly (see Chapter 5). This LED will remain flashing
or on as long as the indicated condition exists.
1
NIC1
Indicates network activity on the LAN1 port when flashing.
2
NIC2
Indicates network activity on the LAN2 port when flashing.
3-2
HDD
Indicates hard drive and/or DVD-ROM drive activity when flashing.
Power
Indicates power is being supplied to the system's power supply units. This LED
should normally be illuminated when the system is operating.
3-4
Drive Carrier LEDs
The chassis includes externally accessible SAS/SATA drives. Each drive carrier
displays two status LEDs on the front of the carrier.
LED Color
State
Blue
Off
Activity LED
Blue
Solid On
Blue
Blinking
Red
Solid On
Red
Blinking at 1 Hz
Blinking with two
Status LED
Red
blinks and one stop
at 1 Hz
On for five
Red
seconds, then off
Red
Blinking at 4 Hz
Chapter 3: System Interface
Status
SATA drive installed or empty bay
SAS drive installed
I/O activity
Failed drive for SAS/SATA with
RSTe support
Rebuild drive for SAS/SATA with
RSTe support
Hot spare for SAS/SATA with
RSTe support
Power on for SAS/SATA with
RSTe support
Identify drive for SAS/SATA with
RSTe support
3-3
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