Velleman STP8025 Uživatelský manuál stáhnout pdf (Strana 3)

Screenedunshieldedtwistedpair(S/UTP)

AlsoknownasFullyshielded(orFoiled)TwistedPair(FTP),isascreenedUTPcable

(ScTP).



Shieldedtwistedpair(STPorSTP‐A)

STPcablingincludesmetalshieldingovereachindividualpairofcopperwires.This

typeofshieldingprotectscablefrom

externalEMI(electromagneticinterferences).

e.g.the150ohmshieldedtwistedpaircablesdefinedbytheIBMCablingSystem

specificationsandusedwithtokenringnetworks.



Screenedshieldedtwistedpair(S/STPorS/FTP)

S/STPcabling,alsoknownasScreenedFullyshieldedTwistedPair(S/FTP),

[1]

isboth

individuallyshielded(likeSTPcabling)andalsohasanoutermetalshieldingcovering

theentiregroupofshieldedcopperpairs(likeS/UTP).Thistypeofcablingoffersthe

bestprotectionfrominterferencefromexternalsources,andalsoeliminatesalien

crosstalk.



1 2 3

Žádné komentáře

Velleman STP8025 Uživatelský manuál Strana 3