UTP, STP, FTP & S/FTP

There are many acronyms used to describe LAN cables,such as UTP,STP,FTP&S/FTP,etc.Almost all of them have different meanings.Here now we'd like to explain them for you as below:

UTP=Unshielded Twisted Pairs

As the title states, a UTP cable has no shielding. This is the most used and most basic type of Lan Cable. The cable contains pairs of wires twisted together to help reduce and prevent electromagnetic interference.

STP=Shielded Twisted Pairs

STP cables are similar to UTP cables, where the wires are twisted together and then wrapped with a shielding or screening material which consists of foil wrapping or a copper braiding jacket.

FTP=Foil Twisted Pairs

With FTP cables, each twisted pair of cables is wrapped in a shielding of foil to protect the cable from EMI and crosstalk.

S/FTP =Shielded Foil Twisted Pairs

A cable that is classified as S/FTP or Shielded Foil Twisted Pair is a combination of both FTP and STP shielding. The wires inside the cable are twisted and then shielded with a foil wrapping, then the 4-pair grouping of foiled wires are shielded by a wrapping of either foil or a flexible braiding screening.S/FTP provides the highest level of protection against EMI and crosstalk.If you still have further questions,please feel free to contact SZOPT immediately.

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