Monitoring
the
AT-FCX
modules
The
AT-FCX
module
has
four
LEDs.
The
LEDs
indicate
whether
the
module
is
functioning
normally,
or
whether
there
are
any
problems
with
the
hardware.
You
can
also
identify
any
hardware
failure
associated
with
the
module
from
the
error
messages
displayed
on
your
N
series
storage
system
console.
This
section
also
describes
the
different
types
of
messages
that
appear
on
the
N
series
storage
system
console
in
response
to
a
command
monitoring
the
AT-FCX.
Location
of
the
module
LEDs
The
modules
are
in
the
middle
of
the
back
of
the
EXN1000
expansion
unit.
The
following
illustration
shows
the
location
of
the
LEDs
for
an
AT-FCX.
See
for
an
illustrated
explanation
of
the
LED
functions.
2
Shelf ID
Mute button
Out port
In port activity LED
In port
Out port activity LED
Ready LED
Fault LED
2
Shelf ID - close-up view
Figure
7.
Location
of
the
LEDs
for
an
AT-FCX
22
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