Saturday, July 9, 2011

COMPARING DIFFERENT TYPES OF NETWORK MEDIA

Media Type
Maximum
Segment
Length


Speed

Comparative
Cost


Advantage


Disadvantages
UTP
100 meters
10 Mbps
100 Mbps
Least Expensive
Easy to install,
Widely available,
Widely used
Susceptible to
Interference; can cover only a limited distance
STP
100 meters
10-100 Mbps
More expensive than UTP
Reduced crosstalk, less susceptible to EMI than UTP or Thinnet
Difficult to work with; can cover only a limited distance
Coaxial
500 meters
(Thicknet)

185meters
(Thinnet)
10-100 Mbps
Relatively inexpensive but more costly than UTP
Less susceptible to EMI than other types of copper media
Difficult to work with ( Thicknet);
Limited bandwidth;
Limited application (Thinnet);damage to cable can bring down entire network
Fiber-optic
3 km and further (single-mode)

2 km and further (multimode)
10-100 Mbps (single-mode)

100 Mbps-9.92 Gbps
(multimode)
Expensive
Cannot be tapped, so security is better; can be used over great distance; not susceptible to EMI; higher data rate than coaxial and twisted pair
Difficult to terminate
Wireless
50 km-global
1-54 Mbps
Expensive
Does not require installation of media
Susceptible to atmospheric conditions


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