© Copyright Lenovo 2018
13
Chapter 2. Installing and Removing the NE2552E
This
chapter
provides
instructions
for
installing
and
removing
the
NE2552E
in
the
Lenovo
Flex
System
chassis.
See
the
for
your
Lenovo
Flex
System
chassis
for
information
about
I/O
bay
locations
and
the
components
that
can
be
installed
in
them
that
is
specific
to
your
Lenovo
Flex
System
chassis
type.
The
following
illustration
shows
an
example
of
a
Lenovo
Flex
System
chassis
(rear
‐
view)
with
the
I/O
bays
identified.
Figure 2.
Flex
System
chassis
I/O
bays.
A
Lenovo
Flex
System
network
adapter
must
be
installed
in
each
compute
node
with
which
you
want
to
communicate.
To
enable
the
switch
to
communicate
with
a
compute
node,
at
least
one
switch
must
be
installed
in
the
Lenovo
Flex
System
chassis.
For
details
about
network
adapter
installation,
configuration,
and
use,
see
the
that
comes
with
the
Lenovo
Flex
System
network
adapter.
Installing
a
second
switch
enables
a
redundant
path
and
a
separate
connection
from
the
compute
node
to
the
external
Ethernet
network.
The
Lenovo
Flex
System
chassis
supports
a
maximum
of
four
NE2552E
modules.
The
Lenovo
Flex
System
chassis
supports
a
maximum
of
twenty
‐
eight
network
adapters.
I/O Module
Bay 1
I/O Module
Bay 3
I/O Module
Bay 2
I/O Module
Bay 4
