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![](/uploadfile/single/7536759687e38b7acf9cb2e6ca0e5c14.png)
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.
With FTP cables, each twisted pair of cables is wrapped in a
shielding of foil to protect the cable from EMI and crosstalk.
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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