631068
ESD and EMI
- Electrostatic discharge (ESD)
- static electricity is
the buildup of an
electric charge
resting on a surface
- ESD occurs when
this buildup jumps
to a component and
causes damage
- at least 3,000
volts of static
electricity must
build up before a
person can feel
ESD
- how to prevent ESD damage
- keep all
components in
antistatic bags until
you are ready to
install them
- use
grounded
mats on
workbenches
- use
grounded
floor mats in
work areas
- use antistatic
wrist straps
when working
on computers
- keep all
components in
antistatic bags until
you are ready to
install them
- static electricity is
the buildup of an
electric charge
resting on a surface
- Electromagnetic interference (EMI)
- it is the intrusion of outside
electromagnetic signals in a
transmission media, such as
copper cabling
- in a network environment,
EMI distorts the signals so
that the receiving devices
have difficulty interpreting
them
- sources of EMI
- any source
designed to
generate
electromagnetic
energy
- man-made
sources like
power lines
or motors
- natural events
such as electrical
storms, or solar
and interstellar
radiations
- any source
designed to
generate
electromagnetic
energy
- it is the intrusion of outside
electromagnetic signals in a
transmission media, such as
copper cabling
- climate
- if the environment
temperature is too
high, equipment can
overheat
- if the humidity level is
too low, the chance of
ESD increases
- if the humidity
level is too high,
equipment can
suffer from
moisture
damage
- if the environment
temperature is too
high, equipment can
overheat
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