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twisted pair (TP)

Twisted pair(TP) cable is a symmetrical copper cable consisting of two cores twisted together.

The conductors consist of copper conductors with insulation surrounding them. Unlike unbalanced cables, such as coaxial cables, balanced cables operate without reference potential. The advantage of this design is that due to the conductor stranding, interference signals on both conductors are of equal strength.

Four-pair S/STP cable with foil shielding

Four-pair S/STP cable with foil shielding

A symmetrical cable system is theoretically insensitive to interference due to its symmetry, since interspersed interference is compensated for and the receiver only receives the interference signal difference of one pair of lines. A uniform, symmetrical design with low tolerances for characteristic impedance, inductances and capacitances ensures high longitudinal homogeneity.

Nomenclature of TP cables according to ISO/IEC-11801 (2002)

Nomenclature of TP cables according to ISO/IEC-11801 (2002)

TP cables are available in shielded and unshielded versions as STP cables, UTP cables and as star quad, as well as in the variants Screened Unshielded Twisted Pair (S/UTP), Screened Shielded Twisted Pair (S/STP), Foiled Twisted Pair( FTP), Screened Foiled Twisted Pair (S/FTP) and Foiled Twisted Pair (F/FTP).

Informations:
Englisch: twisted pair - TP
Updated at: 08.11.2016
#Words: 175
Links: terminal portability (ISDN) (TP), cable, copper (Cu), insulation, conductor
Translations: DE
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