v
IBM
LC-SC
Fibre
Channel
Cable
Adapter
v
Gigabit
Interface
Converter
(GBIC)
Note:
For
some
storage
expansion
enclosure
models,
you
must
order
these
options
separately.
Storage
expansion
enclosure
components
The
storage
expansion
enclosure
has
the
following
removable
components,
called
customer
replaceable
units
(CRUs).
All
CRUs
are
accessible
from
the
front
or
back
of
the
storage
expansion
enclosure.
v
DS4000
2
Gb/s
fibre
channel
hard
disk
drives
v
Environmental
service
modules
(ESMs)
(comes
with
two)
Note:
The
DS4000
EXP700
and
EXP710
ESMs
are
not
interchangeable.
In
addition,
you
cannot
mix
DS4000
EXP700
and
EXP710
ESMs
in
the
same
storage
expansion
enclosure.
Always
verify
that
you
have
the
correct
FRU
P/N
before
you
order
replacement
ESMs
or
insert
replacement
ESMs
in
the
storage
expansion
enclosure.
v
Power
supplies
(comes
with
two)
v
Fans
(comes
with
two)
Note:
The
figures
used
in
this
document
are
for
illustrative
purposes
only.
In
some
cases,
the
actual
device
might
look
different
from
the
figure.
This
applies
particularly
in
cases
where
the
DS4000
EXP710
differs
from
the
DS4000
EXP700.
Storage
expansion
enclosure
bays
This
section
shows
the
location
of
storage
expansion
enclosure
hot-swap
CRU
bays
and
describes
the
functionality
of
each
CRU.
The
hot-swap
features
of
the
storage
expansion
enclosure
enable
you
to
remove
and
replace
DS4000
2
Gb/s
fibre
channel
hard
disk
drives,
power
supplies,
ESMs,
and
fan
units
without
turning
off
the
storage
expansion
enclosure.
You
can
maintain
the
availability
of
your
system
while
a
hot-swap
device
is
removed,
installed,
or
replaced.
Hot-swap
drive
bays
The
hot-swap
drive
bays
that
are
accessible
from
the
front
of
your
storage
expansion
enclosure
are
shown
in
Hot-swap drive bays
e
xp70001
Figure
2.
Hot-swap
drive
bays
Chapter
1.
Introduction
5
Summary of Contents for TotalStorage DS4000 EXP710
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