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Local Area High Speed Networks by Dr. Sidnie Feit

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Unshielded Twisted-Pair Cabling Performance Parameters

Cabling performance parameters are not mysterious. They are symptoms that enable you to track down flaws that can distort and ruin the signal on twisted-pair cable. For example:

  • The signal might be getting too faint as it traverses the cable.

  • The copper wires in a pair might not be twisted tightly all along the cable. This prevents the positive and negative signals in a pair from balancing out and creates an electromagnetic field. This electromagnetic field induces false signals on neighboring cables and may corrupt data transmission.

  • Flaws in the cable structure might be causing part of the signal to be reflected back to the source, resulting in problems there.

Expressing performance ...

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