Lan 01

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Lan 01

  1. 1. BY KOO …WASANA
  2. 2. (Data Communication) • -(Computer Network)
  3. 3. • (Sender)• (Receiver)• (Data)• (Media) ,• (Protocol)
  4. 4. • (Analog Signal) (Sine Wave) (Hertz)• (Digital Signal)
  5. 5. • Modulation Demodulation• Modulation• Demodulation• MODEM
  6. 6. Modem
  7. 7. Modem• (External Modem) (Serial Port)• (Internal Modem)• (Wireless Modem)
  8. 8. • (Point-to- Point)• (Multipoint)
  9. 9. Data Transmission• (Serial Data Transmission)• (Parallel Data Transmission)
  10. 10. Transmission Mode• (Simplex Transmission)• (Half- Duplex Transmission)• (Full- Duplex Transmission)
  11. 11. Communication Media• (Wired Media) – (Twisted-Pair Cable) – (Coaxial Cable) – (Optical Fiber Cable)• (Wireless Media) – (Radio Wave) – (Terrestrial Microwave) – (Satellite Communication)
  12. 12. Communication• Media (Twisted-Pair Cable)
  13. 13. Communication• Media (Coaxial Cable)
  14. 14. Communication Media• (Optical Fiber Cable)
  15. 15. Communication Media• (Radio Wave)
  16. 16. Communication Media• (Terrestrial Microwave)
  17. 17. Communication• Media (Satellite Communication)
  18. 18. • – E-mail), MSN, ICQ), , FTP ,
  19. 19. • – Bit 0 1 – Bandwidth bps ( )
  20. 20. • Router • LAN WAN
  21. 21. • Switch • • Bandwidth 10/100/1000 Mbps •
  22. 22. • Hub • • Bandwidth 10/100/1000 Mbps •
  23. 23. • Hub Switch – Hub Hub Hub Switch Switch Hub – Hub
  24. 24. • Ethernet Card • Switch Hub • Bandwidth 10/100/1000 Mbps
  25. 25. • Ethernet Card
  26. 26. • Ethernet Card – LINK  10 MB/s 100 MB/s  ACT (Activity) - ,
  27. 27. • Modem • Internal Modem • Bandwidth 56 Kbps External Modem
  28. 28. • Access Point • (wireless) • Bandwidth 11/54 Mbps
  29. 29. • Wireless Card PCMCIA • • Bandwidth PCI for PC 11/54 USB Mbps
  30. 30. • UTP (Unshielded Twisted Pair) • Ethernet Switch Hub • Bandwidth 10/100/1000 Mbps •
  31. 31. • UTP RJ-45 – UTP Ethernet Lan RJ-45 – UTP UT RJ- P 45
  32. 32. • RJ-45 – A (Standard 568A) • / • • / • • / • • / •
  33. 33. – B (Standard 568B) • / • • • • / • • / •
  34. 34. • UTP RJ-45 – UTP Straight Cable) Hub Switch A B – (UTP Cross-over Cable) Hub
  35. 35. RJ-45
  36. 36. RJ-45
  37. 37. • UTP Straight Cable)
  38. 38. • (UTP Cross-over Cable)
  39. 39. • UTP – -
  40. 40. – 2. A B) 1.7
  41. 41. – RJ-45
  42. 42. • STP (Shielded Twisted Pair) • UTP UTP • UTP
  43. 43. • Fiber Optic • • Bandwidth 10/100/1000 Mbps • 500m – 2Km
  44. 44. • Duplex – Half Duplex Ethernet BaseT Mbps)
  45. 45. • 3 – LAN (Local Area Network) – WAN (Wide Area Network) – MAN (Metropolitan Area Network)
  46. 46. LAN (Local Area Network)• Ethernet, Fast Ethernet, FDDI, Token Ring
  47. 47. WAN (Wide Area Network)• Lan Lan ATM, DSL, ISDN Lan
  48. 48. Man (Metropolitan Area Network)• Wan Lan
  49. 49. – Ethernet/Fast Ethernet/Gigabit Ethernet Lan– Wireless Lan
  50. 50. Ethernet• LAN 10Gbps UTP Fiber optic
  51. 51. • Ethernet 10BaseT 100 m UTP 10 Mbps 100BaseTX 100 m UTP 100 Mbps 100BaseFX 400 m (half duplex) Fiber Optic 100 Mbps 2000 m (full duplex) 1000BaseSX 220 m Fiber Optic 1000 Mbps (MMF) 1000BaseLX 3-10 Km Fiber Optic 1000 Mbps (SMF)
  52. 52. • Ethernet UTP Ethernet CardFiber Optic
  53. 53. Wireless Lan ISM band
  54. 54. • Wireless – IEEE 802.11 b • Bandwidth 11 Mb/s • 100 m. – IEEE 802.11 g • Bandwidth 54 Mb/s • 50 m.
  55. 55. • – (Ad- Hoc) Access Point
  56. 56. – Access Point Access Point
  57. 57. – Mesh– Bus– Star– Tree– Ring
  58. 58. Mesh (Full Mesh)
  59. 59. Mesh– •– • •
  60. 60. Bus
  61. 61. Bus– • • Star– • • Terminator
  62. 62. Star
  63. 63. Mesh– • • •– • Bus • hub switch
  64. 64. Tree– Bus Star Star
  65. 65. Star– • Star Star– • • Hub •
  66. 66. Ring
  67. 67. Ring– Ring • • Ring •– Ring •

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