Chapter
7.
Field
replaceable
units
(FRUs)
Many
of
the
FRUs
in
the
M12
and
M14
are
hot-swappable,
to
provide
high
availability,
and
to
simplify
service.
Fault
isolation
to
the
FRU
level
provides
failure
containment,
particularly
in
highly
redundant
systems
such
as
the
M12
and
M14
switches.
Each
FRU
within
the
switch
can
be
identified
remotely
with
the
FRU
part
number,
serial
number,
and
revision
level.
The
CP
dynamically
isolates
any
FRU
that
is
nonfunctional
for
ease
of
repair
and
replacement
as
well
as
to
prevent
a
nonfunctional
blade
assembly
from
affecting
system
availability.
Each
switch
blade
assembly
has
128K
bits
of
nonvolatile
memory
and
takes
inventory
of
the
system
and
determines
the
contents
of
the
system
electronically.
For
example,
you
can
perform
the
following
tasks:
v
Determine
how
long
components
have
been
running
when
they
fail
v
View
error
logs
v
View
operating
hours
v
View
log
histories
to
determine
MTBF
For
more
information
about
how
to
perform
these
tasks,
see
the
Brocade
Fabric
OS
Reference
.
The
FRUs
for
the
M12
and
M14
include:
v
16–port
fibre-channel
switch
module
(blade)
v
CP
blade
v
Card
(blade)
slot
filler
panel
v
Power
supply
(180–264
V
ac,
1000
W)
v
Power
supply
filler
panel
v
Blower
assembly,
including
blower,
control
board,
and
housing
v
WWN
card
and
bezel
v
Cable
management
tray
v
Cable
management
guides
(package
of
16)
v
ac
input
cable:
North
America,
UK,
continental
Europe,
Australia
and
New
Zealand,
and
international
IEC
60309
v
Serial
cable
v
SFP
SWL
transceiver
v
SFP
LWL
transceiver
v
Chassis
door
v
Chassis,
including
backplane,
blower
and
power
supply
backplane,
ac
harness,
and
blower
harness
(does
not
include
blower
assemblies
or
power
supplies)
v
Rack
mount
kit,
including
rear
brackets
and
bottom
support
rack
rails
v
Optional
mid-mount
rack
kit
For
more
information
about
the
FRUs,
see
IBM
TotalStorage
SAN
Switch
2109
Model
M14
Installation
and
Service
Guide
and
IBM
TotalStorage
SAN
Switch
2109
Model
M12
Installation
and
Service
Guide
.
©
Copyright
IBM
Corp.
2004
25
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