Site Environment; Preventive Site Configuration; Equipment Racks; Power Supply Considerations - Cisco 3000 Series Hardware Installation And Maintenance

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Environment
Site
The
location
extremely
ventilation
system
When
equipment
currently experiencing
precautions
Preventive
Site
Configuration
The
following
and
will
Remember
adequate
Ensure
Always
Discharge
immediate
Ensure
An
across
Racks
Equipment
The
following
Enclosed
because
provide
When
or
is
In an
the
Baffles
through
rack which
When
equipment
allow
Power
Supply Considerations
Check
noise
Install
of individual
chassis
for
system
important
proper
and
inaccessible
panels
maintenance
difficult
and equipment
site
planning
layout
your
and
reduce
the likelihood
failures
shutdowns
may
the cause
help
you
isolate
will
precautions
help
avoid
you
help
environmentally
that
electrical
equipment
cool
to
equipment
to
which you
the
room
in
that
follow
the
ESD-prevention
Damage
avoid
damage
to
or intermittent
equipment
the chassis cover
that
is
chassis allows
open
air
leaks
components
internal
will help
you
plan
tips
must have
racks
adequate
each
unit generates
heat
cooling
air
mounting
chassis
in
an
exhaust
the chassis
the
If
ports
rack
seated
way
the
all the
into
enclosed
rack
with
ventilation fan
bottom
be drawn upward
of the rack
can
exhaust
can
to isolate
help
The
chassis
best placement
the
be found by
can
trial-and-error
equipment
installed
in
by
if
itself
possible
maximum
the unit under
test
the
ensure
power
at
site
to
your
conditioner
Install
power
avoid
to
proper
grounding
and
the
of
your equipment
layout
Equipment
operation
placed
can
cause
malfunctions
system
use
locations
the
of environmentally
with
or
unusually
high
errors
and
of
failures
prevent
you
plan an
acceptable
operating
caused
failures
equipment
heat Ambient
generates
acceptable
operating
temperatures
has adequate
your system
operate
the section
in
procedures
Damage
equipment
to
failure
The
secure
chassis
is
designed
which
may
turn
in
interrupt
equipment
an acceptable
Ensure
ventilation
that
An
enclosed
rack
should
open rack
the rack
ensure
that
check
on
is installed
slides
the
excessive
in
top
and
into the intake ports of the
from
which
intake
air
air
of the
baffles
depends upon
rack
in
an
fails
particularly
Turn
off other
equipment
in
and
clean
of cooling
air
clean
that
you
receiving
are
if
necessary
from
and power
damage
lightning
General
rack
room
or wiring
are
too close together
inadequate
and shutdowns
and
can
help avoid
following
precautions
to
shutdowns
caused
If
you
equipment
these
your existing
future
problems
environment
your router
for
might
not
air
temperature
without
circulation
adequate
circulation
air
Preventing
Electrostatic
from
static
can
cause
discharge
allow
flow within
air to
to
cooling
and
flow
of cooling
redirect
the
rack
configuration
the rack
not overly
congested
is
have
louvered
and
fan
sides
frame
does
not block
the
the position
of the chassis
heat
by equipment
generated
equipment
draw
also helps
to
cooling
flow
patterns in the
the
air
enclosed
rack
operating
try
and
the rack
racks
in
adjacent
power
of spikes
power
free
surges
Preparing
Site
Requirements
make
are
be
air
to
intake
when
it
near
above
air
the
to
and
for Installation
2-3

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