10
Lenovo ThinkSystem NE2552E Flex Switch: Installation Guide
The
Lenovo
ThinkSystem
NE2552E
Flex
Switch
supports
a
10G/25G/50G
flex
server
connection
and
is
capable
of
10G,
25G,
50G,
and
100G
uplink
connections.
The
NE2552E
supports
eight
25G
SFP28
ports,
four
100G
QSFP28
ports,
and
one
10/100/1000
Base
‐
T
external
management
port
on
the
faceplate
as
well
as
28
25GBase
‐
KR
internal
links
to
the
14
IT
Elements
(commonly
known
as
blade
server
or
flex
server).
The
internal
links
are
configurable
and
support
line
rates
of
10GBase
‐
KR
and
25GBase
‐
KR
with
support
for
2x25G
or
1x50G
to
an
ITE
Network
Adapter
using
physical/KR
lane
multiplexor.
The
external
facing
SFP28
ports
support
8x10G/25G
line
rates.
The
100G
QSFP
ports
are
configurable
as
100G,
2x50G,
or
4x10G/25G
ports.
The
NE2552E
provides
support
for
the
following:
A
combination
of
either
28x10G/25G
or
14x50G
ports
internally.
8x10G/25G
SFP28
ports
plus
4x100G
QSFP+
ports,
and
10/100/1000
Base
‐
T
management
port
externally.
The
100G
ports
are
capable
of
4x10G/25G,
or
2x50G
breakout
configurations.
In
addition
to
port
flexibility,
you
can
manage
and
configure
the
NE2552E
through
the
following
interfaces:
A
Secure
Shell
(SSH)
version
2
or
Telnet
connection
to
the
embedded
Command
‐
Line
Interface
(CLI)
A
terminal
emulation
program
connection
to
the
serial
port
interface
A
network
management
application
using
Simple
Network
Management
Protocol
(SNMP)
