Wiring - Cisco 7513 Hardware Installation And Maintenance Manual
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Plant Wiring
Following
location
interference
Interference
Considerations
When
between
wiring
plant
Bad
Strong
destroy the signal drivers
conducting
section
Note
consult
If
you
the plant
use
high-quality twisted-pair cable
applicable
wires
If
consideration
caused
unshielded
may
you
Most
data
without
identify
environment
the
left side
ground
Distance
and
Limitations
The
length
the signal
example
distance
distances for signaling
than
these
used
at
can
compensate
shown
are guidelines
for
setting
new
of the
system
consider
and
connector
compatibility
wires
are run for
any
significant
and
the
the signals
on
field
can
in radio interference
result
wiring
practice
electromagnetic
interference
and
receivers
power
surges
through
Safety
with
Electricity
To
and remedy
predict
strong electromagnetic
in
radio
experts
frequency
interference
use twisted-pair cable
in
your
emit radio interference
wiring
to
is
unlikely
exceed recommended
distances
the
to
effect
of
lightning
or other high-energy
by
lightning
conductors
destroy electronic
to
want
consult
experts in
to
centers cannot
resolve the infrequent
and
pulse meters
other special
and
so take
resolve
precautions
with
attention
special
of the
interface
processor
wire
or
device
antistatic
to
Interface
Specifications
of
and
your
networks
the distances
speed and
the transmission
standard
coaxial
cable
has
and
in these
rate
limits
descriptions
however
you
For example
recommended
the
4Mbps
without
any problems
for
them
should
you
do
here however
so
at
your
the plant wiring
and
up
cabling
the distance
limitations
for
described
the following
as
in
distance in an
electromagnetic
wires
the
This
two
fact
has
implications
emanating
caused
especially
as
by
lightning
in the router
and
can
lines
and
into
Review
equipment
in this
chapter
interference
RFI
with
distribution
plant wiring
good
When
exceeding
one ground
with
conductor
wires
between
or
if
pass
strike
in
The
vicinity
your
can
phenomena
easily
couple
you have had problems
devices
If
electrical
and
suppression
surge
but potentially
catastrophic
These
equipment
problems can
by
providing
properly
issues of
to
electrical
surge
suppression
end
of the chassis provides
chassis
See
ground
Figure
between
connections
media the
type of cabling
channel
than
greater
capacity
IEEE
recommended
the
are
can
good
results
usually
get
maximum
for V.35
rate
If
understand
the
electrical
you
good
with
get
results
rates
own
risk
Site
When
at
site
your
planning
signaling
electromagnetic
sections
field interference
can
occur
for the construction
from
the plant
wiring
or radio transmitters can
even
create an
hazard
electrical
the safety warnings
in
EMI
need
may
also
to
you
of grounding
conductors
recommended
the
distances
each
when
for
data
signal
buildings
give
special
EMP
electromagnetic
pulse
enough
into
energy
of
this sort
in the
shielding
described
problems
just
cost
great deal of time
and
shielded
grounded
The ground
screw
connection
point
for
connecting
1-3
the type of signal
depend
on
used
transmit
the signals
to
The
twisted-pair cabling
maximum
and
speeds
and
distances
at
speeds
far
greater
Mbps
but
is
it
commonly
is
that
problems
might
arise
and
distances greater than
those
Preparing
for
Installation
Requirements
the
of
by
the
past
to
on
For
and
2-5
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