5.
Unpack
the
new
mini-hub
and
slide
it
into
the
appropriate
slot;
then,
tighten
the
captive
screw.
6.
Install
the
SFP
modules
that
you
removed
in
Step
3
on
page
64
as
follows:
a.
Remove
the
SFP
modules
from
their
static-protective
packages.
b.
Remove
the
protective
caps
from
the
SFP
modules.
c.
Slide
the
SFP
modules
into
the
mini-hub
ports.
7.
Replace
the
fiber-optic
cables
that
you
removed
in
Step
1
on
page
63.
8.
Check
the
indicator
lights
on
the
mini-hub.
When
the
mini-hub
is
operating
properly,
the
green
loop
good
light
is
lit
and
the
fault
light
is
off.
If
the
mini-hub
port
is
active,
the
amber
port
bypass
light
is
not
lit.
For
more
information
see
“Mini-hub
indicator
lights”
on
page
33.
If
a
problem
is
indicated,
use
the
storage-management
software
to
check
the
DS4400
Storage
Server
status.
Chapter
3.
Replacing
DS4400
Storage
Server
components
65
Summary of Contents for TotalStorage DS4400
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