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631068
ESD and EMI
Description
Cisco IIT essentials (Chapter 2 - Lab Procedures and Tool Use) Mind Map on ESD and EMI, created by groche on 13/03/2014.
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chapter 2 - lab procedures and tool use
cisco iit essentials
cisco iit essentials
chapter 2 - lab procedures and tool use
Mind Map by
groche
, updated more than 1 year ago
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Created by
groche
over 10 years ago
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Resource summary
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
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
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
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