Transmission Media

1
Transmission Media

• Florida International University
• Professor Gerard Klonarides

2
There are 4 types of TM

• Cable UTP
• Cable Coaxial
• Fiber Optics
• Wireless

3
Cable - UTP

• UTP - Unshielded twisted pair
• STP Shielded twisted pair
• Cat 3
• Cat 5
• Cat 6
• Plenum

4
Cable - Coaxial

• Thin
• Thick

5
Fiber Optics

• POF
• Singlemode
• Multimode graded
• Multimode - step

6
Wireless Transmission

• Terrestrial
• Satellite

7
Satellites

• LEOs Low Earth Orbit 125miles
• MEOs Medium Earth Orbit 5.000 miles
• GEOs Geo stationary/synchronous 22,500 miles
• ETOs Elliptical Transfer Orbit between Leo and
  GEO

8
Famous Satellites

• Iridium - Motorola
• GlobalStar consortium
• Teledesic Microsoft, Motorola, Prince Saudi
  Arabia

9
Major Satellite Events

• Sputnik 1 Oct 4 1957 First Earth Satellite
• Sputnik 5 Aug 19 1960 Laika
• Vostok I April 12 1961 Major Yuri Gagarin
• Vostok II Aug 6 1961 Titov 17 ½ orbits
• Mercury Feb 20 1962 John Glenn 3 orbits
• Apollo 11 July 20 1969 Neil Armstrong, Edwin
  Aldrin, Michael Collins Land on Moon
• Apollo and Soyuz July 15 1975 Link in space

10
Test your knowledge

• How many types of transmission media?
• Name them.
• What does UTP stand for?
• Why the twist in UTP?
• Why do we use plenum wiring inside buildings?
• How many types of coaxial cable?
• How many types of fiber optic cable?
• Name the fiber types
• What is the speed of light?

11
Various data transfer speeds

• Cat 5
• Cat 6
• Cat 7
• Fiber
• Wireless

• 100 Mbps
• 1 Gbps
• 1.3 Gbps
• OC-768 40Gbps
• Light 186.000m/s