Cisco 7513 Hardware Installation And Maintenance Manual page 80

Allow
back
it
installing or
components
power
Maintain
air inlet
directly
can
Install
and
equipment
equipment
unnecessarily
Always
and
should
If
you
the chassis
cantilevered
unstable
of the
To
Rack-Mount
the
In addition
conditions
Caution
not properly
Environment
Site
The
router
data processing
do
so
to
exceeds
supports
blower
the
suited for unattended
The
router
blower
airflow
the chassis
condition
to
protect
around
clearance
sufficient
wall or cabinet for
near
interface
moving
processors
allow
Otherwise
and
modules
supplies processor
minimum
clearance
and
exhaust
ports respectively
next another equipment
to
and
enter the vents
inlet air
and
use the cable
management
out of the of processor
way
and
cabling that
is
already
will not impair
access
perform equipment
to
heavier
install
equipment
from
the rack
prevent
falling
be
than 20
not inches
higher
racks be
use Telco-type sure
mounts two
the rack
to
Ensure
off of the posts
Some
racks
Telco-type
rack
equipment in the
the chassis
properly install in
Kit Instructions
Installation
document version which
latest
the preceding
to
guidelines
the section
in
Equipment-Rack
To
chassis overheating
prevent
ventilated
air
or conditioned
can standalone
as
operate
environment The blower
or lab
and
maintain an
acceptable
23C
blower
the increases
speed
under normal
quieter operation
at
is operating
100-percent
room
or
computer
dry clean
requires well-ventilated
pulls ambient the chassis
air
through
minimum
maintain of two
the airflow blocked
If is
Under
occur
can extreme
the
system components
the rack
maintenance
for
If
normal and
out
operation pull
it
connecting cables
cm
19 inches 48.3 of clearance
and
of inches the rear
on
six
Avoid
the router
placing
rack Otherwise
the heated
cause an condition
overtemperature
bracket
included with the router
modules and
power supplies
rack Ensure
in the
installed
the interface
or require
to
processors
maintenance or
upgrades
the lower half of rack
in to
over
one Cisco
If install
you
from
the floor
the rack bolted
that to
is
posts with the chassis ears
the weight of the chassis does
that
secured
also
are to brackets
ceiling
rack use the instructions
in
Document Number
rack-mount
accompanies the
review the precautions for avoiding
Ventilation
in this
chapter
the router in an enclosed
install
never
on
table or
system placed
55
at
operates percent
inside the chassis
operating temperature
reaches
until
linearly it
conditions
approximately
70
is
capacity
approximately
use
and
air-conditioned
cool the
to internal
components
inches of clearance both the
at
or restricted or the
if inlet air is
the environmental
conditions
Site
the rack mobile you
can
is
when
maintenance
for
necessary
or replacing or upgrading
remove blower
the module
to
front of the chassis the cooling
for
an rack
in overly congested
from
exhaust other
air
equipment
inside the router
keep cables
to
organized
blower module
the Consider
from
cables other
that
disconnect cables
to
you
low
maintain
center of gravity
7513
rack the chassis bottom
in
and
the One
end
floor secured
and
the
of the chassis
rest
is
make
not the rack
warranted by the weight
if
the configuration note Cisco
where xx
78-2023-xx indicates
kit
overtemperature
room
rack or
that
rack-mounted
in
as
system
when
of capacity
is
it
possible
the temperature
If
100 blower
the
Although
percent
dBa
when
62
the noise level
dBa
Therefore the router
is
environment The
internal
To
allow
sufficient
and
exhaust
inlet
openings
too warm
an overtemperature
down
monitor shut
will the
power
for Installation
Preparing
Requirements
push
or
the
of
7513
is
best
on
2-15