32
Lenovo ThinkSystem NE2552E Flex Switch: Installation Guide
Locating the Information Panels, LEDs, and External Ports
This
section
describes
the
information
panels
and
LEDs
on
the
switch
and
identifies
the
external
ports
on
the
information
panels.
Note:
The
illustrations
in
this
document
might
differ
slightly
from
your
hardware.
Information Panel
The
front
panel
of
the
switch
contains
a
variety
of
ports
and
information
LEDs.
The
switch
‐
module
information
panel
contains
the
following
components.
LEDs
that
display
the
following
information:
The
status
of
the
switch
(Power,
Locator,
and
Error)
The
status
of
the
external
connections
to
the
switch
For
further
details
about
LEDs,
see
Eight
25
GbE
SFP28
ethernet
ports
supporting
any
combination
of:
SFP+
10GigE
transceivers
SFP28
25G
transceivers
10G
Passive
and
Active
Direct
Attach
Copper
(DAC)
25G
Passive
and
Active
Direct
Attach
Copper
(DAC)
10G
Active
Optical
Cable
(AOC)
25G
Active
Optical
Cable
(AOC)
Four
100GbE
QSFP28
ports
supporting
any
combination
of:
QSFP28
100G
transceivers
100G
to
4x25G
DAC/AOC
break
‐
out
100G
Passive
and
Active
Direct
Attach
Copper
(DAC)
100G
Active
Optical
Cable
(AOC)
100G
to
2x50G
DAC/AOC
Breakout
40G
to
4x10G
DAC/AOC
Breakout
One
9600
baud
RS
‐
232
serial
port
connector
for
switch
console
(management)
purposes.
This
connector
is
located
near
the
bottom
of
the
switch
panel,
just
above
the
management
(Mgmt)
port.
Do
not
attach
any
devices
to
this
connector
other
than
the
serial
access
cable
option
specified
for
the
switch.
One
1
Gb
Ethernet
RJ
‐
45
port
connector
for
switch
management
purposes.
Do
not
attach
any
devices
to
this
connector
other
than
when
using
an
industry
standard
CAT5
cable.
This
connector
is
identified
as
port
EXTM
in
the
I/O
‐
module
configuration
menus
and
is
labeled
Mgmt
on
the
switch.
For
additional
details,
see
and
