Cisco 7000 Series Hardware Installation And Maintenance page 61

Site Requirements
the temperature
If
inside
which
enters
it
Any
of these
Because
devices
mounting
located
chassis
the
right
Table
operation
site
your
measurement
problem You
anomalies
Operating
Operating
Air
clear
Table
Temperature
Temperature
Humidity
Humidity
and
storage
Altitude
Vibration
Vibration
Preventive
Site
Configuration
Planning
essential
ventilated
inaccessible
precautions
Cisco 7010 Hardware
2-10 Installation
of the
room drawn
air
be
the chassis
also too
may
mounted
the chassis is is not ventilated
vent of
the air inlet the chassis
conditions can
inhibit
the and exhaust
inlet air
be mounted
can rack with
router rack with other
in
by
close ensure exhaust
that the
When
the router
viewing
and
of exhaust
side the chassis the
2-5 the operating and
lists
nonoperating
and
ensure
high system
The
are those within
following ranges
that
is
approaching
normal
maintain
can
before the
they approach
temperature range
10
humidity range
flow
drawn
air
is
Cooling
of obstructions
including
2-5 for Operating
Specifications
ambient
operating
ambient and
nonoperating
RH
ambient
noncondensing
RH
ambient
noncondensing
and nonoperating
operating
operating
nonoperating
Maintaining
location for the router and
proper
for successful
system operation
can cause
system overtemperature
by equipment
poor placement
help avoid
that can
problems
and Maintenance
chassis higher than
into the
is
This condition can occur
high
when
the exhaust
properly
when
the chassis
or
is
flow and create
air an
overtemperature
one
flows side of chassis
into the
above and below
or no clearance
little
when
equipment
or
placing
from
other
equipment
from
chassis IP end
the
forced out of the
air
is
environmental
site
maintain an ambient
availability
which
the router
minimum maximum
the
or
and
by
operation anticipating
maximum
operating
range
104F
32
through through
90%
noncondensing
through
in of chassis
the sides the
through
from
and exhaust
dust the
away
and Environments
Nonoperating
Minimum
0C
32F
4F 20C
storage
10%
operating
5%
nonoperating
Sea
level
5200
Hz
5200
Hz
Hz
200500
Norma
Operation
of your
the
layout
too close
Equipment
placed
conditions In addition
make
maintenance
can
system
and ongoing
installation
during
the air
desirable
temperature
when
the wiring or rack
closet
of one device
is
placed
top unit unventilated
the in an
condition
and
out the other side other
However when
the chassis
on with other
table
it equipment
blow
does not the
into inlet
drawn
the inlet air in
is through
side See 1-6
left
Figure
To
maintain
requirements
and clean
temperature power
continue
will
however
to operate
of
indicates
range potential
environmental
correcting
40C
both of the chassis
Keep sides
ports of other equipment
Maximum
40C
104F
65C
149F
90%
95%
10000 3050
05
oct/mm
oct/mill
oct/nun
rack
closet
equipment or
wiring
together or inadequately
made
chassis panels
difficult
Following
operation
in
so
rack
of
side
the
normal
at
are
are