Telemática 1-ppt 4

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Telemática 1-ppt 4

  1. 1. Telemática I<br />Modelo OSI<br />Capa Física<br />
  2. 2. Conector RJ45<br />
  3. 3. Socket RJ45<br />
  4. 4. Cable Plano <br />Straight-Through Cable<br />Hub/Switch<br />Server/Router<br />Pin Label<br />Pin Label<br />1<br />2<br />3<br />4<br />5<br />6<br />7<br />8<br />TX+<br />TX-<br />RX+<br />NC<br />NC<br />RX-<br />NC<br />NC<br />1<br />2<br />3<br />4<br />5<br />6<br />7<br />8<br />TX+<br />TX-<br />RX+<br />NC<br />NC<br />RX-<br />NC<br />NC<br />Wires on cable endsare in same order.<br />
  5. 5. Cable Crossover<br />Cable 10BASE-T/<br />100BASE-TX Straight-Through<br />Crossover Cable<br />Hub/Switch<br />Server/Router<br />Pin Label<br />Pin Label<br />1<br />2<br />3<br />4<br />5<br />6<br />7<br />8<br />TX+<br />TX-<br />RX+<br />NC<br />NC<br />RX-<br />NC<br />NC<br />1<br />2<br />3<br />4<br />5<br />6<br />7<br />8<br />TX+<br />TX-<br />RX+<br />NC<br />NC<br />RX-<br />NC<br />NC<br />Some wires on cableends are crossed.<br />
  6. 6. Modelo OSI<br />Capa Física<br />

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