Symantec S550 Serie Manual Del Usuario página 19

LED Color
Blinks red
Solid red
Rear Panel Drive Status (13–16) LEDs
Note: For instructions on replacing drives, see "Installing Drives" on page 22.
e
P S U
OWER UPPLY NITS
from an external power source. A failed power supply unit can be replaced while the appliance is powered
by the other power supply. Power supply units include a status LED in the lower right that exhibits the fol-
lowing behavior:
LED Color
Off
Solid green
Blinks green
Solid amber
Blinks amber
PSU Status LEDs (1–2)
Note: For instructions on replacing power supply units, see "Installing Power Supplies" on page 25.
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P S A soft power switch that enables power to the appliance when the power cords are at-
OWER WITCH
tached to the power supply units and connected to a valid power source. Standby power is always on as
long as a power source is connected to the power supply units. The state of the appliance's power switch
(on or off ) is retained when the appliance's power source is removed. This may necessitate pressing the
power switch when reapplying power to the appliance.
I (ID) LED Lights up, when triggered by the appliance software, to help locate the appli-
DENTIFICATION
ance when it is rack-mounted.
Chapter 3 English Instructions
Description
The disk is offline.
The disk has encountered a fault.
(1–2) Two redundant, hot-swappable power supply units that power the appliance
Description
No power present.
Operating normally.
The power supply is in hot-standby mode, where AC is present but only 12V
is output.
The power supply has shut down due to one of the following critical events:
•
Over or under voltage or current
•
Fan fault
•
Over temperature
The power supply continues to operate but has encountered one of the fol-
lowing warning events:
•
Over or under voltage or current
•
Fan speed low
•
Over temperature
•
The appliance's specified operating environmental limits have been
exceeded
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