Chapter
3.
Operating
the
switch
This
chapter
provides
the
following
information:
v
“Powering
the
switch
on
and
off”
v
“Interpreting
LED
activity”
v
“LED
patterns”
on
page
23
v
“POST
and
boot
specifications”
on
page
25
v
“Interpreting
POST
results”
on
page
26
v
“Customer
field
replaceable
units
(CRUs/FRUs)”
on
page
31
v
“Maintaining
the
switch”
on
page
26
v
“Managing
the
switch”
on
page
33
v
Powering
the
switch
on
and
off
See
Chapter
2,
“Installing
and
configuring
the
switch,”
on
page
7
for
initial
setup
instructions
before
powering
the
switch
on
for
the
first
time.
Once
the
switch
has
been
properly
configured,
follow
these
instructions
to
power
the
switch
on
and
off.
To
power
the
switch
on,
connect
one
or
both
power
cords
to
the
power
connectors
on
the
power
supplies
and
to
a
power
source;
then,
set
the
AC
power
switches
to
″
|
″
.
Power
is
supplied
to
the
switch
as
soon
as
the
first
power
supply
is
connected
and
powered
on.
The
switch
runs
POST
by
default
each
time
it
is
powered
on;
it
requires
a
minimum
of
three
minutes
to
boot
and
complete
POST.
To
power
the
switch
off,
power
off
both
power
supplies
by
setting
each
AC
power
switch
to
″
O
″
.
All
devices
are
returned
to
their
initial
state
the
next
time
the
switch
is
powered
on.
Interpreting
LED
activity
System
activity
and
status
can
be
determined
through
the
activity
of
the
LEDs
on
the
switch.
There
are
three
possible
LED
states:
no
light,
a
steady
light,
and
a
flashing
light.
The
steady
lights
and
flashing
lights
can
be
green
or
amber.
The
LEDs
flash
either
of
these
colors
during
boot,
POST,
or
other
diagnostic
tests.
This
is
normal
and
does
not
indicate
a
problem
unless
the
LEDs
do
not
indicate
a
healthy
state
after
all
boot
processes
and
diagnostic
tests
are
complete.
The
switch
has
the
following
LEDs:
v
System
power
LED–One
LED
(green)
to
indicate
system
power
v
System
status
LED–One
LED
(green/amber)
to
indicate
system
status
v
Ethernet
status
LEDs–Two
LEDs
to
indicate
speed
and
link
status
v
Port
status
LEDs–40
LEDs
(green/amber)
to
indicate
status
for
each
port
v
One
power
supply
status
LED
on
each
power
supply,
to
the
left
of
the
ON/OFF
rocker
switch
©
Copyright
IBM
Corp.
2008
21
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