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Feb. 2, 2004 Prof. Paul Lin 1 CPET 355 2. The Physical Layer - Guided Transmission Media Paul I-Hai Lin, Professor Electrical and Computer Engineering.

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Presentation on theme: "Feb. 2, 2004 Prof. Paul Lin 1 CPET 355 2. The Physical Layer - Guided Transmission Media Paul I-Hai Lin, Professor Electrical and Computer Engineering."— Presentation transcript:

1 Feb. 2, 2004 Prof. Paul Lin 1 CPET The Physical Layer - Guided Transmission Media Paul I-Hai Lin, Professor Electrical and Computer Engineering Technology Purdue University, Fort Wayne Campus

2 Feb. 2, 2004 Prof. Paul Lin 2 Guided Transmission Media Twisted Pair Twisted Pair Unshielded Twisted Pair, Shielded Twisted PairUnshielded Twisted Pair, Shielded Twisted Pair Copper; Metal shield; Plastic coverCopper; Metal shield; Plastic cover Coaxial Cable Coaxial Cable Inner conductor: copper; outer conductor shield:metal foil, braid; plastic cover)Inner conductor: copper; outer conductor shield:metal foil, braid; plastic cover) Fiber Optics Fiber Optics Core – glass; cladding – less dense glass or plastic; plastic coverCore – glass; cladding – less dense glass or plastic; plastic cover

3 Feb. 2, 2004 Prof. Paul Lin 3 Twisted Pairs Shield twisted pair Shield twisted pair IBM Token Ring cablingIBM Token Ring cabling Unshielded twisted pair (UTP) Unshielded twisted pair (UTP) Category 1 - < 100 Kbps, analog, TelephoneCategory 1 - < 100 Kbps, analog, Telephone Category 2 - < 2 Mbps, A/D, T1-linesCategory 2 - < 2 Mbps, A/D, T1-lines Category 3 – 10 Mbps, digital, LANsCategory 3 – 10 Mbps, digital, LANs Category 4 – 20 Mbps, digital, LANsCategory 4 – 20 Mbps, digital, LANs Category 5 – 100 Mbps, digital, LANsCategory 5 – 100 Mbps, digital, LANs Category 6 – 400 Mbps, digital, LANsCategory 6 – 400 Mbps, digital, LANs Category 7 – 600 Mbps, digital, LANsCategory 7 – 600 Mbps, digital, LANs

4 Feb. 2, 2004 Prof. Paul Lin 4 Twisted Pairs Un-shield twisted pair (UTP) Un-shield twisted pair (UTP) Category 3 - up to 16 MHz, voice and data on 10BaseT EthernetCategory 3 - up to 16 MHz, voice and data on 10BaseT Ethernet Category 5Category 5 up to 100 MHz up to 100 MHz 1000 Mbps (4-pair) 155 Mbps ATM, Gigabit Ethernet 1000 Mbps (4-pair) 155 Mbps ATM, Gigabit Ethernet Category 5E – 100 Mbps TPDDI, 155 Mbps ATMCategory 5E – 100 Mbps TPDDI, 155 Mbps ATM

5 Feb. 2, 2004 Prof. Paul Lin 5 10BaseT Cat 5 RJ 45 Cabling Pin Signal 1 TD+ 2 TD- 3 RD+ 4 Not Used 5 Not Used 6 RD- 7 Not Used 8 Not Used

6 Feb. 2, 2004 Prof. Paul Lin 6 IEEE 10BaseT Connection PinLabel Color Code 1T2White/Orange 2R2Orange/White 3T3White/Green 4R1 4R1 5T1 6R3Green/White 7T4 8R4

7 Feb. 2, 2004 Prof. Paul Lin 7 EIA/TIA-568A and AT&T 258A Connector Specifications (Recommended by the IEEE for 100Base-TX and T4 operation; EIA – Electronics Industries Association, TIA – Telecommunications Industries Association) PinLabel Color Code 1T2 White/Orange (Orange Stripe) 2R2 Orange/White (Orange Solid) 3T3 White/Green (Green Stripe) 4R1 Blue/White (Blue Solid) 5 T1 White/Blue (Blue Stripe) 6 R3 Green/White (Green Solid) 7 T4 White/Brown (Brown Stripe) 8R4 Brown/White (Brown Solid)

8 Feb. 2, 2004 Prof. Paul Lin 8 EIA-TIA 586B Specification

9 Feb. 2, 2004 Prof. Paul Lin 9 Cat 6 Cables Category 6 – up to 400 MHz, super fast broad band applicationsCategory 6 – up to 400 MHz, super fast broad band applications Cat 6 Cabling: A Standard and System Overview- published by Cat 6 Consortium itepapers/category6_81502.pdfCat 6 Cabling: A Standard and System Overview- published by Cat 6 Consortium itepapers/category6_81502.pdf itepapers/category6_81502.pdf itepapers/category6_81502.pdf

10 Feb. 2, 2004 Prof. Paul Lin 10 Cat 7 Cables Category 7 – 600 to 700 MHz, super fast broad band applicationsCategory 7 – 600 to 700 MHz, super fast broad band applications mhttp://www.reachome.com/en/cat67.ht mhttp://www.reachome.com/en/cat67.ht mhttp://www.reachome.com/en/cat67.ht m

11 Feb. 2, 2004 Prof. Paul Lin 11 Coaxial Cable Categories (radio government rating) Categories (radio government rating) RG-59: 75 ohms, CATV, cable modemRG-59: 75 ohms, CATV, cable modem RG-58: 50 ohms, 10Base2 (200m) or Thin EthernetRG-58: 50 ohms, 10Base2 (200m) or Thin Ethernet Rg-11: 50 ohms, 10Base5 (2000 m) or Thick EthernetRg-11: 50 ohms, 10Base5 (2000 m) or Thick Ethernet Connectors Connectors BNC (Bayone-Neill-Concelman) connectorBNC (Bayone-Neill-Concelman) connector BNC T connectorBNC T connector BNC TerminatorBNC Terminator

12 Feb. 2, 2004 Prof. Paul Lin 12 Coaxial Cable RF coaxial cable 75 ohms: _COAXIAL_CABLES_75_Ohm.htm RF coaxial cable 75 ohms: _COAXIAL_CABLES_75_Ohm.htm RF coaxial cable 50 ohms: _COAXIAL_CABLES_50_Ohm.htm RF coaxial cable 50 ohms: _COAXIAL_CABLES_50_Ohm.htm

13 Feb. 2, 2004 Prof. Paul Lin 13 Fiber Optics Three major components Three major components Light source: LED, LaserLight source: LED, Laser FiberFiber Detector: Photo diodeDetector: Photo diode

14 Feb. 2, 2004 Prof. Paul Lin 14 Fiber Optics Terms: Terms: Refraction – the deflection of lightRefraction – the deflection of light Wavelength (f = c speed of light) - different wavelengths of light travel at different speedWavelength (f = c speed of light) - different wavelengths of light travel at different speed Single-mode fiber – reduce fiber’s diameter to a few wavelength of light that enables the light to propagate in a straight lineSingle-mode fiber – reduce fiber’s diameter to a few wavelength of light that enables the light to propagate in a straight line Muiti-mode fiber – Multiple light waves bouncing at different angle.Muiti-mode fiber – Multiple light waves bouncing at different angle.

15 Feb. 2, 2004 Prof. Paul Lin 15 Fiber Optics Terms: Terms: ModulationModulation WDM – wavelength-division- multiplexing (http://www.spie.org/web/oer/octobe r/oct97/multiplex.html) WDM – wavelength-division- multiplexing (http://www.spie.org/web/oer/octobe r/oct97/multiplex.html)http://www.spie.org/web/oer/octobe r/oct97/multiplex.htmlhttp://www.spie.org/web/oer/octobe r/oct97/multiplex.html DWDM – dense-wavelength-division- multiplexing (http://www.cisco.com/univercd/cc/t d/doc/product/mels/dwdm/dwdm_fns.htm) DWDM – dense-wavelength-division- multiplexing (http://www.cisco.com/univercd/cc/t d/doc/product/mels/dwdm/dwdm_fns.htm)http://www.cisco.com/univercd/cc/t d/doc/product/mels/dwdm/dwdm_fns.htmhttp://www.cisco.com/univercd/cc/t d/doc/product/mels/dwdm/dwdm_fns.htm

16 Feb. 2, 2004 Prof. Paul Lin 16 Fiber Optics Visible Light spectrum (04  m to 0.7 m) Visible Light spectrum (04  m to 0.7 m) Ultraviolet 400 nmUltraviolet 400 nm Violet 455 nmViolet 455 nm Blue 490 nmBlue 490 nm Green 550 nmGreen 550 nm Yellow 580 nmYellow 580 nm Orange 620 nmOrange 620 nm Red 750 nmRed 750 nm

17 Feb. 2, 2004 Prof. Paul Lin 17 Fiber Optics Fiber optics bands Fiber optics bands 660 nm (LED source, plastics fiber)660 nm (LED source, plastics fiber) 0.85 microns (850 nm)0.85 microns (850 nm) 1.30 microns (1300 nm)1.30 microns (1300 nm) 1.55 microns (1550 nm)1.55 microns (1550 nm)

18 Feb. 2, 2004 Prof. Paul Lin 18 Fiber Optics Fiber losses: absorption and scattering Fiber losses: absorption and scattering Attenuation in decibles Attenuation in decibles 10 log 10 Pr/Pt 10 log 10 Pr/Pt Pr – received power Pr – received power Pt – transmitted power Pt – transmitted power Example Example 10 log 10 2 = 3 dB

19 Feb. 2, 2004 Prof. Paul Lin 19 Fiber Optics Core Core Glass: 7, 50, 62.5, 100 mGlass: 7, 50, 62.5, 100 m PlasticsPlastics Cladding Cladding 125 m125 m Plastics buffer Plastics buffer DuPont Kevlar for strength DuPont Kevlar for strength Outer jacket Outer jacket

20 Feb. 2, 2004 Prof. Paul Lin 20 Fiber Optics Types Types Single mode fiber – 100 GbpsSingle mode fiber – 100 Gbps Multimode fiberMultimode fiber Application Examples Application Examples Backbone cablingBackbone cabling Campus cablingCampus cabling nsf/by+id/PNLM- 3RKQS8?opendocumenthttp://picturethis.pnl.gov/picturet. nsf/by+id/PNLM- 3RKQS8?opendocumenthttp://picturethis.pnl.gov/picturet. nsf/by+id/PNLM- 3RKQS8?opendocumenthttp://picturethis.pnl.gov/picturet. nsf/by+id/PNLM- 3RKQS8?opendocument

21 Feb. 2, 2004 Prof. Paul Lin 21 Fiber Optics Connectors Connectors Splicing Splicing Terminator Terminator Couplers Couplers Attenuators Attenuators Mount enclosures Mount enclosures

22 Feb. 2, 2004 Prof. Paul Lin 22 Fiber Optics Connectors Connectors Subscriber channel (SC) connector (male/female) - TVSubscriber channel (SC) connector (male/female) - TV Straight-tip (ST) connector – connecting cable to networking devicesStraight-tip (ST) connector – connecting cable to networking devices LC connectorLC connector FJ connectorFJ connector MT-RJ – same size as RJ45MT-RJ – same size as RJ45

23 Feb. 2, 2004 Prof. Paul Lin 23 Web References CommScope: CommScope: Corning Cable Systems Corning Cable Systems Heath Kit Fiber Optics System - Heath Kit Fiber Optics System - Performance data: premise.com/Technical/TwistedPairComp.htm Performance data: premise.com/Technical/TwistedPairComp.htmhttp://www.hubbell- premise.com/Technical/TwistedPairComp.htmhttp://www.hubbell- premise.com/Technical/TwistedPairComp.htm Cat 5 RJ45 Connector – weatherproof connector: f_connector.html Cat 5 RJ45 Connector – weatherproof connector: f_connector.html f_connector.html f_connector.html Ethernet cable color code standards Ethernet cable color code standards

24 Feb. 2, 2004 Prof. Paul Lin 24 Web References ITS Project: Fiber Optics Basics tml ITS Project: Fiber Optics Basics tml tml tml Fiber Optics Systems Fiber Optics Systems Fiber Optic Assembly ssembly.htm Fiber Optic Assembly ssembly.htm ssembly.htm ssembly.htm ystems.htm ystems.htm ystems.htm ystems.htm


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