v
No
:
The
communications
IOA/IOP
is
not
the
failing
item.
One
of
the
following
could
be
causing
the
problem.
–
External
cable.
–
The
network.
–
Any
system
or
device
on
the
network
–
The
configuration
of
any
system
or
device
on
the
network.
–
Intermittent
problems
on
the
network.
–
A
new
SRC
-
go
to
or
ask
your
next
level
of
support
for
assistance.
Work
with
the
customer
or
your
next
level
of
support
to
correct
the
problem.
This
ends
the
procedure.
v
Yes
:
Verify
the
external
cable
by
running
the
cable
wrap
test.
A
wrap
plug
is
required
to
perform
the
test.
This
plug
is
available
from
IBM
or
your
hardware
service
provider.
Wrap
plug
part
numbers
can
be
found
in
in
the
Type,
model,
and
part
number
list
page.
Does
the
cable
wrap
test
complete
successfully?
–
Yes
:
Continue
with
the
next
step.
–
No
:
The
problem
is
in
the
cable.
Exchange
the
cable.
This
ends
the
procedure.
9.
All
the
local
hardware
is
good.
This
completes
the
local
hardware
verification.
The
communications
IOA/IOP
and/or
external
cable
is
not
the
failing
item.
One
of
the
following
could
be
causing
the
problem:
v
The
network
v
Any
system
or
device
on
the
network
v
The
configuration
of
any
system
or
device
on
the
network
v
Intermittent
problems
on
the
network
v
A
new
SRC
-
go
to
or
ask
your
next
level
of
support
for
assistance
Work
with
the
customer
or
your
next
level
of
support
to
correct
the
problem.
This
ends
the
procedure.
Disk
unit
PIP
For
use
by
authorized
service
providers.
This
page
contains
the
procedure
to
isolate
a
failure
in
a
disk
unit.
Read
all
safety
procedures
before
servicing
the
system.
Observe
all
safety
procedures
when
performing
a
procedure.
Unless
instructed
otherwise,
always
power
off
the
system
or
expansion
tower
where
the
FRU
is
located,
(see
before
removing,
exchanging,
or
installing
a
field-replaceable
unit
(FRU).
DU-PIP3:
Use
this
procedure
to
determine
the
system
reference
code
(SRC),
which
is
used
to
isolate
a
problem
and
to
determine
the
failing
device.
Note:
When
exchanging
a
disk
unit,
go
to
the
1.
If
the
system
has
logical
partitions,
perform
this
procedure
from
the
logical
partition
that
reported
the
problem.
To
determine
if
the
system
has
logical
partitions,
go
to
2.
Look
in
the
Service
action
log
(see
for
other
errors
logged
at
or
around
the
same
time
as
the
310x
SRC.
If
no
entries
appear
in
the
service
action
log,
use
the
product
activity
log
(see
Use
the
other
SRCs
to
correct
the
Analyze
hardware
problems
105