Tr Transmission Media 01204325 Data Communications and Computer - - PowerPoint PPT Presentation

tr transmission media
SMART_READER_LITE
LIVE PREVIEW

Tr Transmission Media 01204325 Data Communications and Computer - - PowerPoint PPT Presentation

Tr Transmission Media 01204325 Data Communications and Computer Networks Chaipo Chaiporn J n Jaik aikae aeo De Department of f Computer Engineering Kasetsart Unive versity Based on lecture materials from Data Communications and


slide-1
SLIDE 1

Tr Transmission Media

Chaipo Chaiporn J n Jaik aikae aeo De Department of f Computer Engineering Kasetsart Unive versity

01204325 Data Communications and Computer Networks

Based on lecture materials from Data Communications and Networking, 5th ed., Behrouz A. Forouzan, McGraw Hill, 2012.

Revised 2019-08-12

slide-2
SLIDE 2

2

Out Outline line

  • Guided media
  • Copper
  • Optical fiber
  • Unguided media
slide-3
SLIDE 3

3

Ph Physic ical L al Layer er

Frame

from Data Link to Data Link

Frame 01001011 01001011 Transmission medium (bits)

slide-4
SLIDE 4

4

Cl Classe sses s of

  • f Transm

smissi ssion

  • n Me

Media

slide-5
SLIDE 5

Guided M Guided Media: edia: Co Copper pper Medi Media

slide-6
SLIDE 6

6

Tw Twisted-Pa Pair Cable

slide-7
SLIDE 7

7

UTP – Unshielded Twisted Pair STP –Shielded Twisted Pair

UTP UTP a and S nd STP TP C Cabl bles

slide-8
SLIDE 8

8

Ca Categ egories es of UTP/STP Ca Cables es

Category Bandwidth Digital/Analog Use 1 very low Analog Telephone 2 < 2 MHz Analog/digital 4Mbps token ring 3 16 MHz Digital 10-100 Mbps Ethernet 4 20 MHz Digital 16 Mbps token ring 5 100 MHz Digital 100 – 1000 Mbps Ethernet 5E 100 MHz Digital 100 – 1000 Mbps Ethernet 6 250 MHz Digital 1 – 10 Gbps Ethernet 6A 500 MHz Digital 1 – 10 Gbps Ethernet 7 600 MHz Digital 10 Gbps Ethernet 7A 1000 MHz Digital 40-100 Gbps Ethernet

slide-9
SLIDE 9

9

RJ – Registered Jack

UTP UTP C Conne nnect ctors

slide-10
SLIDE 10

10

Coa Coaxial Ca Cable

slide-11
SLIDE 11

11

RG – Radio Guide

Ca Categori

  • ries

s of

  • f Coa

Coaxial Ca Cables

slide-12
SLIDE 12

12

BN BNC C Con Connector

  • rs
  • Bayonet Network Connector
  • aka. Bayonet Neil-Concelman
  • Used with coaxial cables
slide-13
SLIDE 13

13

UTP UTP and and Coa Coaxial Pe Performance

www.ti.com/lit/an/sboa123/sboa123.pdf

slide-14
SLIDE 14

Guided M Guided Media: edia: Op Optical Med Media

slide-15
SLIDE 15

15

Op Optic ical Fiber al Fiber

  • Based on physics of light

Image from Wikipedia

slide-16
SLIDE 16

16

Op Optic ical Fiber al Fiber

slide-17
SLIDE 17

17

Pr Propagat ation Modes

Multi-mode, step index Multi-mode, graded index Single-mode

slide-18
SLIDE 18

18

Fi Fibe ber T Type pes

slide-19
SLIDE 19

19

Fi Fibe ber C Cons nstruct uction

slide-20
SLIDE 20

20

Fi Fiber er-Op Optic C Cable C Connectors

slide-21
SLIDE 21

21

Op Optic ical Fiber al Fiber P Per erformance mance

slide-22
SLIDE 22

Un Ungu guid ided Media ia

slide-23
SLIDE 23

23

Ungui Unguide ded M d Medi dia: Wi : Wireless

  • Transport electromagnetic waves without using a physical

conductor

  • Radio Waves
  • Microwaves
  • Infrared
  • Often referred to as wireless communication
slide-24
SLIDE 24

24

El Electr trom

  • magneti

tic Spectru trum

slide-25
SLIDE 25

25

Pr Propagat ation Methods

slide-26
SLIDE 26

26

Ba Bands

slide-27
SLIDE 27

27

An Antennas

Omni-directional Antenna Unidirectional Antennas

slide-28
SLIDE 28

28

Wir Wireles eless T Trans ansmis missio ion W n Waves es

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

slide-29
SLIDE 29

29

Summa Summary

  • Guided media serve as conduits for signals to propagate
  • Copper media carry electrical signals
  • Optical fibers carry optical signals
  • Unguided media allow signals to propagate without any

cable