Local area network cabling arrangement

Details Local area network cabling arrangement Local area network cabling arrangement

1997-01-31

1999-09-14

Ramirez, Nestor

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

174 27, H01B 1102

Patent

active

059526076

ABSTRACT:
A cabling media which is suitable for data transmission with relatively low crosstalk includes a plurality of metallic conductors-pairs, each pair including two plastic insulated metallic conductors which are twisted together. The characterization of the twisting is important and relates to parameters such as twist length as well as core strand length/lay. More specifically, particular combinations of twist lengths and core strand length/lay are purposely selected for each insulated pair of the cable in order to achieve performance capabilities that significantly surpass those required under TIA/EIA-568A. In one particular embodiment of this invention, a cable comprises as its transmission media, four twisted pair of individually insulated conductors with each of the insulated conductors including a metallic conductor and an insulation cover which encloses the metallic conductor. The twisting together of the conductors of each pair is characterized as specifically set out herein and the plurality of transmission media are enclosed in a sheath system which in a most simplistic embodiment may be a single jacket made of a plastic material. As a result of the particular twist scheme employed for the conductor pairs, operational performance of the resulting cable is improved. Also, the cable of this invention is relatively easy to connect and is relatively easy to manufacture and install.

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