IBM SAN40B-4 User Guide - Page 49

specifications

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Table 7. Ethernet LED patterns (continued) LED name Ethernet link LED (left) LED color No light Steady amber Flashing amber/no light Status of hardware There is no link. There is a link. There is link activity (traffic). Recommended action Verify the Ethernet cable is connected correctly. No action is required. No action required. Power supply status LED patterns The power supply status LED patterns are shown in Table 8. These LEDs are visible on the nonport side of the switch and are located to the left of the AC power switches. Table 8. Power supply status LED patterns, status, and recommended actions LED name LED color Recommended Status of hardware action Power supply status No light LED Primary power cord is Verify the power disconnected or is supply is on and not actively powered, seated and the power or power supply has cord is connected to failed. a functioning power source. Replace power supply fan assembly, if failed. Steady green Power supply is operating normally. No action is required. POST and boot specifications The switch performs POST by default each time it is powered on or rebooted or the system is reset. Boot time with POST is a minimum of three minutes. POST can be skipped after subsequent reboots by entering the fastBoot command. For more information about this command, refer to the Fabric OS Command Reference. POST The success or failure results of the diagnostic tests that run during POST can be monitored through LED activity, the error log, or the command line interface. POST includes the following steps: 1. Preliminary POST diagnostics are run. 2. Operating system is initialized. 3. Hardware is initialized. 4. Diagnostic tests are run on several functions, including circuitry, port functionality, memory, statistics counters, and serialization. Boot In addition to POST, boot includes the following steps after POST is complete: 1. Universal port configuration is performed. Chapter 3. Operating the switch 25

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Table
7.
Ethernet
LED
patterns
(continued)
LED
name
LED
color
Status
of
hardware
Recommended
action
Ethernet
link
LED
(left)
No
light
There
is
no
link.
Verify
the
Ethernet
cable
is
connected
correctly.
Steady
amber
There
is
a
link.
No
action
is
required.
Flashing
amber/no
light
There
is
link
activity
(traffic).
No
action
required.
Power
supply
status
LED
patterns
The
power
supply
status
LED
patterns
are
shown
in
Table
8.
These
LEDs
are
visible
on
the
nonport
side
of
the
switch
and
are
located
to
the
left
of
the
AC
power
switches.
Table
8.
Power
supply
status
LED
patterns,
status,
and
recommended
actions
LED
name
LED
color
Status
of
hardware
Recommended
action
Power
supply
status
LED
No
light
Primary
power
cord
is
disconnected
or
is
not
actively
powered,
or
power
supply
has
failed.
Verify
the
power
supply
is
on
and
seated
and
the
power
cord
is
connected
to
a
functioning
power
source.
Replace
power
supply
fan
assembly,
if
failed.
Steady
green
Power
supply
is
operating
normally.
No
action
is
required.
POST
and
boot
specifications
The
switch
performs
POST
by
default
each
time
it
is
powered
on
or
rebooted
or
the
system
is
reset.
Boot
time
with
POST
is
a
minimum
of
three
minutes.
POST
can
be
skipped
after
subsequent
reboots
by
entering
the
fastBoot
command.
For
more
information
about
this
command,
refer
to
the
Fabric
OS
Command
Reference
.
POST
The
success
or
failure
results
of
the
diagnostic
tests
that
run
during
POST
can
be
monitored
through
LED
activity,
the
error
log,
or
the
command
line
interface.
POST
includes
the
following
steps:
1.
Preliminary
POST
diagnostics
are
run.
2.
Operating
system
is
initialized.
3.
Hardware
is
initialized.
4.
Diagnostic
tests
are
run
on
several
functions,
including
circuitry,
port
functionality,
memory,
statistics
counters,
and
serialization.
Boot
In
addition
to
POST,
boot
includes
the
following
steps
after
POST
is
complete:
1.
Universal
port
configuration
is
performed.
Chapter
3.
Operating
the
switch
25