Guided Media:Copper Media... UTP – Unshielded Twisted Pair STP –Shielded Twisted PairUTP and STP Cables... Categories of UTP/STP Cables... RG – Radio GovernmentCategories of Coaxial Cabl
Trang 1Transmission Media
Trang 2Physical Layer
Trang 3Classes of Transmission Media
Trang 5Guided Media:
Copper Media
Trang 6Twisted-Pair Cable
Trang 7UTP – Unshielded Twisted Pair STP –Shielded Twisted Pair
UTP and STP Cables
Trang 8Categories of UTP/STP Cables
Trang 9Categories of UTP/STP Cables
Category Bandwidth Digital/Analog Use
1 very low Analog Telephone
2 < 2 MHz Analog/digital 4Mbps token ring
Trang 10RJ – Registered Jack
UTP Connectors
Trang 11UTP Performance
Trang 12Coaxial Cable
Trang 13RG – Radio Government
Categories of Coaxial Cables
Trang 14BNC Connectors
Used with coaxial cables
Trang 15Performance of Coaxial Cables
Trang 16Guided Media:
Optical Media
Trang 17Optical Fiber
Based on physics of light
Trang 18Optical Fiber
Trang 19Propagation Modes
Trang 20Fiber Types
Trang 21Fiber Construction
Trang 22Fiber-Optic Cable Connectors
Trang 23Optical Fiber Performance
Trang 24Unguided Media
Trang 25Unguided Media: Wireless
Transport electromagnetic waves without using a physical conductor
Trang 26Electromagnetic Spectrum
Trang 27Propagation Methods
Trang 28Bands
Trang 29Omni-directional Antenna Unidirectional Antennas
Trang 30Wireless Transmission Waves
used for multicast/broadcast communications,
such as radio and television
used for unicast communication such as cellular telephones, satellite networks,
and wireless LANs
used for short-range communication in a closed area using line-of-sight
propagation