Crossover Cable

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FIGURE 1 Crossover Ethernet cable

The crossover cable can be used to connect

  •  Switch to switch
  •  Hub to hub
  •  Host to host
  •  Hub to switch
  •  Router direct to host

The same four wires are used in this cable as in the straight-through cable; we just connect different pins together. Figure 1 shows how the four wires are used in a crossover Ethernet cable.
Notice that instead of connecting 1 to 1, 2 to 2, and so on, here we connect pins 1 to 3 and 2 to 6 on each side of the cable.

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