IBM SAN16B-2 User Guide - Page 43

Operating, SAN16B-2

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Chapter 3. Operating the SAN16B-2 This chapter provides the following information: v "Powering the SAN16B-2 on and off" v "Interpreting LED activity" v "POST and boot specifications" on page 25 v "Interpreting POST results" on page 26 Powering the SAN16B-2 on and off See Chapter 2, "Installing and configuring the SAN16B-2," 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 at other times. To power on the switch, connect the power cable to the ac receptacle on the switch and to a power source. The switch runs POST by default each time it is powered on, reset, or rebooted, and requires a minimum of 3 minutes to run. To end the flow of power to the switch, remove the power cord from the power source. Interpreting LED activity System activity and status can be determined through the activity of the LEDs on the switch. All the switch's LEDs are located on the port side of 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. Sometimes the LEDs flash either of these colors during boot, POST, or other diagnostic tests. This is normal and does not indicate a problem unless all boot processes and diagnostic tests are complete, and the LEDs continue to indicate a problem status. LED location The LEDs are located on the port side of the switch (see Figure 9 on page 22). They include: v Power Status 8 (green only) to indicate a valid power supply to the system v System Status 9 (green/amber) to indicate the current system status v Ethernet Link 11 to indicate an active Ethernet connection v Ethernet Speed 10 to indicate the Ethernet speed v Port Status 7 (green/amber), located in pairs below each pair of Fibre Channel ports (left LED of each pair) v Port Speed 6 (green/amber), located in pairs below each pair of Fibre Channel ports (right LED of each pair) Note: The pairs of port LEDs for all 16 ports are arrayed below the lower row of ports. The pairs of port LEDs are located in the array in the same relative positions as the ports. The port number of the associated Fibre Channel port appears between the Port Status and Port Speed LEDs. © Copyright IBM Corp. 2005 21

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Chapter
3.
Operating
the
SAN16B-2
This
chapter
provides
the
following
information:
v
“Powering
the
SAN16B-2
on
and
off”
v
“Interpreting
LED
activity”
v
“POST
and
boot
specifications”
on
page
25
v
“Interpreting
POST
results”
on
page
26
Powering
the
SAN16B-2
on
and
off
See
Chapter
2,
“Installing
and
configuring
the
SAN16B-2,”
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
at
other
times.
To
power
on
the
switch,
connect
the
power
cable
to
the
ac
receptacle
on
the
switch
and
to
a
power
source.
The
switch
runs
POST
by
default
each
time
it
is
powered
on,
reset,
or
rebooted,
and
requires
a
minimum
of
3
minutes
to
run.
To
end
the
flow
of
power
to
the
switch,
remove
the
power
cord
from
the
power
source.
Interpreting
LED
activity
System
activity
and
status
can
be
determined
through
the
activity
of
the
LEDs
on
the
switch.
All
the
switch’s
LEDs
are
located
on
the
port
side
of
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.
Sometimes
the
LEDs
flash
either
of
these
colors
during
boot,
POST,
or
other
diagnostic
tests.
This
is
normal
and
does
not
indicate
a
problem
unless
all
boot
processes
and
diagnostic
tests
are
complete,
and
the
LEDs
continue
to
indicate
a
problem
status.
LED
location
The
LEDs
are
located
on
the
port
side
of
the
switch
(see
Figure
9
on
page
22).
They
include:
v
Power
Status
±8²
(green
only)
to
indicate
a
valid
power
supply
to
the
system
v
System
Status
±9²
(green/amber)
to
indicate
the
current
system
status
v
Ethernet
Link
±11²
to
indicate
an
active
Ethernet
connection
v
Ethernet
Speed
±10²
to
indicate
the
Ethernet
speed
v
Port
Status
±7²
(green/amber),
located
in
pairs
below
each
pair
of
Fibre
Channel
ports
(left
LED
of
each
pair)
v
Port
Speed
±6²
(green/amber),
located
in
pairs
below
each
pair
of
Fibre
Channel
ports
(right
LED
of
each
pair)
Note:
The
pairs
of
port
LEDs
for
all
16
ports
are
arrayed
below
the
lower
row
of
ports.
The
pairs
of
port
LEDs
are
located
in
the
array
in
the
same
relative
positions
as
the
ports.
The
port
number
of
the
associated
Fibre
Channel
port
appears
between
the
Port
Status
and
Port
Speed
LEDs.
©
Copyright
IBM
Corp.
2005
21