![background image](http://html2.mh-extra.com/html/ibm/san40b-4-system-storage-switch/san40b-4-system-storage-switch_user-and-service-manual_3509505047.webp)
LED
patterns
Table
4
through
Table
7
on
page
24
summarize
the
switch
LED
locations,
color,
and
meaning,
as
well
as
any
recommended
user
response.
Power
status
LED
patterns
The
power
status
LED
patterns
are
shown
in
Table
4
Table
4.
Power
status
LED
patterns,
status,
and
recommended
actions
LED
name
LED
color
Status
of
hardware
Recommended
action
Power
Status
LED
No
light
System
is
off
or
there
is
an
internal
power
supply
failure.
Verify
the
system
is
on.
If
the
system
is
on,
the
unit
is
faulty.
Contact
IBM
Support.
Steady
green
Switch
is
on
and
power
supplies
are
functioning
properly.
No
action
is
required.
System
status
LED
patterns
The
system
status
LED
patterns
are
shown
in
Table
5
Table
5.
System
status
LED
patterns,
status,
and
recommended
actions
LED
name
LED
color
Status
of
hardware
Recommended
action
System
Status
LED
No
light
Switch
is
off,
boot
is
not
complete,
or
boot
failed.
Verify
that
switch
is
on
and
has
completed
booting.
Steady
green
System
is
on
and
functioning
properly.
No
action
is
required.
Steady
amber
(for
more
than
five
seconds)
Boot
failed,
the
system
is
faulty.
Perform
the
following
steps:
Connect
a
serial
cable
to
the
system.
Reboot
the
system.
Check
the
failure
indicated
on
the
system
console.
Contact
IBM
Support.
Flashing
amber/green
Attention
is
required.
A
number
of
variables
can
cause
this
status
including
a
single
power
supply
failure,
a
fan
failure,
or
one
or
more
environmental
ranges
exceeded.
Check
the
management
interface
and
the
error
log
for
details
on
the
cause
of
status.
Contact
IBM
Support
if
required.
Chapter
3.
Operating
the
switch
23
Summary of Contents for SAN40B-4 - System Storage Switch
Page 2: ......
Page 8: ...vi SAN40B 4 Installation Service and User s Guide...
Page 10: ...viii SAN40B 4 Installation Service and User s Guide...
Page 24: ...xxii SAN40B 4 Installation Service and User s Guide...
Page 44: ...20 SAN40B 4 Installation Service and User s Guide...
Page 64: ...40 SAN40B 4 Installation Service and User s Guide...
Page 77: ......
Page 78: ...Part Number 45W0859 Printed in USA GA32 0581 00 1P P N 45W0859...