04-TransmissionMedia

04-TransmissionMedia - William Stallings Data and Computer Communications 7th Edition Chapter 4 Transmission Media 1 Overview (twistedpair

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon
1 William Stallings Data and Computer Communications 7 th Edition Chapter 4 Transmission Media
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Overview Guided transmission media – wire (twisted pair,  cable, fiber) Unguided – wireless (radio wave, microwave,  satellite) Characteristics and quality determined by  medium and signal For guided, the medium is more important For unguided, the bandwidth produced by the  antenna is more important Key concerns are data rate and distance
Background image of page 2
3 Design Factors Bandwidth Higher bandwidth gives higher data rate Transmission impairments Attenuation Interference Number of receivers In guided media More receivers (multi-point) introduce more  attenuation (need more amplifies or repeaters)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Electromagnetic Spectrum
Background image of page 4
5 Guided Transmission Media Twisted Pair Coaxial cable Optical fiber
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 Twisted Pair
Background image of page 6
7 Twisted Pair - Applications Most common medium Telephone network Between house and local exchange (subscriber loop) Within buildings To private branch exchange (PBX) For local area networks (LAN) 10Mbps or 100Mbps
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8 Twisted Pair - Pros and Cons Cheap Easy to work with Low data rate Short range
Background image of page 8
Twisted Pair - Transmission Characteristics Analog  Amplifiers every 5km to 6km Digital Use either analog or digital signals
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 10
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/17/2012 for the course ITCO 101 taught by Professor Gugenhiem during the Spring '12 term at AIU Online.

Page1 / 29

04-TransmissionMedia - William Stallings Data and Computer Communications 7th Edition Chapter 4 Transmission Media 1 Overview (twistedpair

This preview shows document pages 1 - 10. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online