SYMMETRIC UNSHIELDED CATEGORY 5e 25-PAIR CABLE OF BUNDLED STRUCTURE WITH IMPROVED CHARACTERISTICS Russian patent published in 2012 - IPC H01B11/02 

Abstract RU 2457562 C2

FIELD: electricity.

SUBSTANCE: symmetric unshielded 25-pair cable of category 5e with improved characteristics contains strands in polymer insulation twisted into pairs to form a common core with one pair in the centre of the structure while the other 24 pairs separated into four bundles, six pairs in each; introduced into each bundle is a triradial polymer separation element between each two arms whereof two pairs are positioned twisted together at pitches different from those of each of the two other pairs between other two arms; each bundle is enwrapped into a polymer perforated tape with edge overlapping along the whole cable length; all the four bundles are twisted together round the one central pair.

EFFECT: invention ensures decreased proximity effect pair and reduced mutual influence between the pairs.

1 dwg

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RU 2 457 562 C2

Authors

Portnov Ehduard L'Vovich

Semenov Andrej Borisovich

Nikeshin Aleksej Igorevich

Dates

2012-07-27Published

2010-07-26Filed