How to analyze network cable

- Nov 27, 2017 -

    For structured cabling systems, the standard requires the use of category 5e, 6 and 6A (100 MHz, 250 MHz et 500 MHz respectively) twisted, symmetrical 4-pair cables with an impedance of 100 Ω ).

The cable can be of the following type:UTP cables

* unshielded u/uTP (unshielded Twisted Pairs)

*Shielded F/uTP (Foiled Twisted Pairs)

* Double shielding SF/uTP or S/FTP.

    Normally Network data cables are made up of four pairs arranged

inside a sheath according to a specific layout, which is necessary to

reduce attenuation and crosstalk problems. This layout consists of 

twisting the pairs of conductors individually.

    These pairs are identified using standard colours. Each of the

pairs has a different pitch, and is in turn twisted differently

inside the outer sheath. The conductor size permitted by the standards is between 22 and 26 AWG: 24 AWG is the most commonly used in all cases. 

Network cable speclegrand keystone jack  

FTP cables

UTP cables

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