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SC280 SAS Enclosures
Dell Compellent
17
SC280 Power Supply Unit Features and Indicators
SC280
enclosures
include
two
Power
Supply
Units
(PSUs)
in
two
interface
slots.
Figure 13. SC280 PSU Features and Indicators
Separate
and
unique
conditions
are
indicated
if
all
three
LEDs
are
in
the
same
state:
If
all
three
LEDs
are
off,
then
there
is
no
AC
power
to
either
PSU.
If
all
three
LEDs
are
on,
then
the
General
Enclosure
Management
(GEM)
software
has
lost
communication
with
the
PSU.
Item
Name
Icon
Description
1
Release
latch
—
2
PSU
fault
indicator
•
Amber
(steady)
—
PSU
fault,
PSU
not
supplying
power
•
Amber
(flashing)
—
PSU
firmware
is
downloading
3
AC
power
indicator
•
Amber
(steady)
—
AC
power
is
not
detected
•
Amber
(flashing)
—
PSU
firmware
is
downloading
4
Power
OK
indicator
•
Green
(steady)
—
This
PSU
is
providing
power
•
Green
(flashing)
—
AC
power
is
present,
but
this
PSU
is
in
standby
mode
(the
other
PSU
is
providing
power)
5
Power
switch
—
Controls
power
for
the
enclosure.
4
3
5
2
1