UTP — Unshielded twisted paired Twisted Paired.
STP — Uea pūnaewele i pale ʻia me ka wili pālua.
FTP — Uaea pūnaewele pale pepa alumini i ulana ʻia me ka foil wili.
ʻO ka ʻokoʻa ma waena o "UTP, FTP, SFTP" ma ke kaula pūnaewele:
UTP: Unshielded Twisted Pair. ʻAʻohe mea pale metala o UTP a hoʻokahi wale nō papa o ka uhi laholio insulating. He ʻano haʻahaʻa ke kumukūʻai a maʻalahi hoʻi e hoʻopili. ʻO nā pono o kāna uea he hopena pale lapalapa maikaʻi a emi iki ka hiki ke hoʻoulu i ke ahi.
STP: Uea pūnaewele pale; ʻO FTP kahi uwea pūnaewele pale alumini; ʻO ka mua he inoa ākea, ʻoiai ʻo ka hope he inoa haiki. Akā ʻo ka ʻoiaʻiʻo, i kēia manawa ʻo ka laina pūnaewele pale he laina pūnaewele pale alumini, no laila, ʻo STP, ʻo FTP ka mea like. I ka hoʻohālikelike ʻana me UTP, ʻo FTP/STP wale nō kahi papa keu o ka pepa alumini ma waho o ke kaula kumu, i mea e hōʻemi ai i ka hōʻailona attenuation. ʻAʻole kaulana ka mākeke.
SFTP: Uea pūnaewele pale pālua. Hoʻokumu ʻia ke ʻano o kēia uea ma luna o ka pepa alumini FTP/STP, me kahi papa o ka ʻupena ulana keleawe tinned, ʻo ka ʻaoʻao waho loa he quilt PVC waho. Ma muli o kahi papa o ka ʻupena ulana keleawe tinned, hiki ke hoʻemi nui i ke kahua magnetic waho, ka hoʻopilikia ʻana i ka hōʻailona, hiki ke hoʻemi i ka attenuation o ka hōʻailona kūloko, hoʻonui i ke kaomi o ke kaula. ʻO ka hemahema, ʻo kēia ʻano palupalu o ke kaula he haʻahaʻa loa ia, he pipiʻi ke kumukūʻai; ʻO ke kumukūʻai o kēia mau laina he ʻelua manawa ka nui ma mua o UTP. Hoʻohana wale ʻia kēia ʻano uea i nā kūlana kūikawā.
Ka manawa hoʻouna: Ian-23-2021