crossover cable
Similar to a null-modem cable, with the exception that the crossover cable is used for Ethernet connections, where the CTS (clear to send) and RTS (ready to send) lines are crossed over. On a null-modem cable the Tx (transmit) and Rx (Recieve) lines are crossed over.
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A disturbance, caused by electromagnetic interference, along a circuit or a cable pair. A telecommunication signal disrupts a signal in an adjacent circuit and can cause the signals to become confused and cross over each other.
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