Cisco 7000 Series Hardware Installation And Maintenance page 60

Figure
Caution
conditioned
Environment
Site
The
router
data processing
do
so
exceeds
quieter operation
operating
unattended
The
router
array pulls
airflow
chassis
condition
to
protect
maintenance
make
the area
keep
environmental
Functions
__________Chassis
14.25
Power
cm
5.08
14.60
14.55
17.50
Chassis and
2-2 Outer
Footprint
Never
router in
install the
can standalone
as
operate
environment The
or lab
and
maintain an
acceptable
23C
the fan speed increases
normal
under conditions
100
at capacity
percent
room use
or
computer
dry
requires clean well-ventilated
ambient the chassis
air through
minimum
two
maintain of
airflow blocked or restricted
If the
is
occur Under
can extreme
the
system components
site
plan your configuration
the maintains an ambient
sure that site
around
the chassis
as
and
monitor
status
in Chapter
foot
cm
36.20
width
supply
cm
ears 37.08
to
Non-IF end
lPwidth
cm
36.96
Chassis
width
cm
44.45
Dimensions
an enclosed rack not properly
is
that
on
table
placed
system
fans operate 55
at
percent
inside
operating
temperature
reaches 100
until
it
linearly
dBa
46
approximately
dBa
58
Therefore
approximately
is
and air-conditioned
cool
to the internal
on
inches of clearance both
the
or if inlet air
the environmental
conditions
To normal
help maintain
operation
and
site
prepare your
32
of
through
temperature
from
dust
free is
as practical
Environmental
refer to
levels
cm
1.25
3.18
O3
0.CJ
co
i8
0ci
LC
ventilated
or air
rack-mounted
or
as
system
when
of capacity
is
possible
it
the chassis
If the temperature
Although fans support
the
percent
when
noise the fans
the level
router best suited
the is
environment The
internal
To
allow
sufficient
components
and
the exhaust
inlet sides
warm
too an
overtemperature
is
down
monitor will shut
the
and
avoid
unnecessary
After installation
installation
before
40C
104F
through
For of the
description
and
Monitoring Reporting
Preparing
Site
Requirements
in
to
are
for
fan
of
the
power
and
for Installation 2-9