Preparing For Installation; Working With Electricity; Site Requirements; Plant Wiring - Cisco 7000 Series Hardware Installation And Maintenance

Site
Requirements
Plant Wiring
Following
location
interference
Interference Considerations
When
between
plant
Bad
Note
radio frequency
in
If
you
the plant wiring
use
wires
If
consideration
caused
unshielded
you
Most
without
identify
environment
Distance Limitations
The
the
example
and
signaling
For example
Mbps
compensate
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rates
The
before
7000 Hardware
2-6 Cisco
for
are guidelines
setting
new
of the consider
system
and
connector
compatibility
wires are run for
any
significant
and
the the signals
field
wiring
radio interference
can result in
practice
interference
Strong electromagnetic
and
destroy the signal drivers
conducting power surges through
section with
Working
Electricity
To and remedy
predict
interference
use twisted-pair cable
in
emit radio interference
is unlikely to
high-quality twisted-pair cable
recommended
exceed
the of
to effect
by or other high-energy
lightning
conductors destroy electronic
to
consult experts in
may want
to
data resolve the infrequent
centers cannot
and
other special
pulse meters
and resolve so take
precautions
with
attention
special
and
length of networks
your
speed and
the transmission
signal
standard cable
coax
these
rate limits in
descriptions
however
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recommended
the
without
any problems
them
for should
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your
and
transmission distances
distance
limits
following
installation
and Maintenance
Installation
and
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up
wiring
the distance limitations for signaling
described
as
following
distance an
in
electromagnetic
on wires
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fact
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caused
especially as
receivers in the router
and
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equipment
in the chapter
Preparing
interference
strong electromagnetic
RFI
with
your plant wiring
When
with conductor
one ground
wires
distances or if
pass
strike in
lightning your vicinity
phenomena
can
you have had problems
devices
If
electrical
surge suppression
but potentially catastrophic
These
equipment
by
providing
issues of
to electrical
between
the distances
media the
of cabling
type
has greater channel
capacity
IEEE
recommended
are the
results
good
get at speeds
maximum
for V.35
rate
electrical
understand the
If
you
good with
get results rates
We
do recommend
risk not
are provided guidelines
as
When
at site
cabling
your
electromagnetic
field interference
for the construction
two
implications
from
the plant wiring
lightning or radio
by
and
create an
even
can electrical
Review
the safety warnings
for Installation
need
may
to
you
of grounding
distribution
good
recommended
the
exceeding
data
for each
signal
between
buildings give special
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electromagnetic
enough
couple
easily energy
of
this sort
and
shielding
problems
cost great deal of time
problems can
and
shielded
grounded
properly
suppression
surge
the type of signal
on
connections depend
used
transmit
to
than
twisted-pair cabling
maximum
and
speeds
and
distances greater than
far
Mbps but
is is
it commonly
that
problems might
and
distances greater than
exceeding published
network
for planning
your
the
planning
can occur
of
transmitters can
hazard
by
the
in
consult
experts
conductors
distances
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pulse
into
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past
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described
just
to
signals For
the
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distance
distances for
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used
at
and
arise
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shown
those
maximum
data
connections