Crossover cable that maps all output signals on one electrical connector to the input signals on the other connector, allowing two electronic devices to perform full-duplex communication. Most commonly, the term refers to the Ethernet crossover cable, but other cables follow the same principle. It also allows devices to communicate without a switch, hub, or router. Cross-Over cables are used to connect two computers directly through NICs without the use of a Hub or Switch or to uplink two or more hubs, switches or routers. The Pins of the RJ-45 Connectors at both ends of a cross-over cable are connected as follows:
Pin 1 ----------- Pin 3
Pin 2 ----------- Pin 6
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Devices can be connected by Crossover:
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