14
Lenovo ThinkSystem NE2552E Flex Switch: Installation Guide
Note:
I/O
bays
1
and
2
support
any
standard
Lenovo
Flex
System
switch
or
pass
‐
thru
module.
When
you
install
an
I/O
network
adapter
in
the
I/O
Expansion
1
Connector
on
the
compute
node,
these
I/O
bays
support
any
switch
with
the
same
type
of
network
interface
that
is
used
by
the
corresponding
network
adapter.
I/O
bays
3
and
4
support
any
standard
Lenovo
Flex
System
switch
or
pass
‐
thru
module.
When
you
install
an
I/O
network
adapter
in
the
I/O
Expansion
2
Connector
on
the
compute
node,
these
I/O
bays
support
any
switch
with
the
same
type
of
network
interface
that
is
used
by
the
corresponding
network
adapter.
The
compute
nodes
or
Lenovo
Flex
System
chassis
that
are
described
or
shown
in
this
document
might
be
different
from
your
compute
node
or
Lenovo
Flex
System
chassis.
For
additional
information,
see
the
documentation
that
comes
with
your
Lenovo
Flex
System
chassis.
When
the
switch
is
installed
in
a
Lenovo
Flex
System
chassis,
by
default
the
internal
ports
operate
at
10/25
Gigabits
per
second
(Gbps)
and
the
external
ports
operate
at
10/25
Gbps
and
50/100
Gbps,
depending
on
the
port
type
and
installed
transceiver
modules.