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He aha ke kelepona pūnaewele "UTP, FTP, SFTP"?

UTP — Unshielded Twisted Paired Twisted Paired.

STP — Palena Twisted Pair Palekana pūnaewele uwea.

FTP — Foiled Twisted Pair aluminum foil pale uwea pūnaewele.

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ʻO ka ʻokoʻa ma waena o "UTP, FTP, SFTP" ma ke kelepona pūnaewele:

UTP: Unshielded Twisted Pair.UTP ʻaʻohe mea pale metala a hoʻokahi wale nō papa o ka uhi ʻana i ka lāʻau.He mea maʻalahi a maʻalahi i ka pūnaewele.ʻO nā mea maikaʻi o kāna uwea he hopena pale ahi maikaʻi a ʻoi aku ka liʻiliʻi o ke ahi.

STP: Kāleka pūnaewele pale;FTP mea he aluminika foil pale uea ; ʻO ka mua he inoa ākea, aʻo ka mea hope he inoa haiki. ʻO ka ʻokoʻa me ka UTP, ʻo FTP/STP kahi ʻāpana ʻē aʻe o ka alumini alumini ma waho o ke kaula kumu, i mea e hōʻemi ai i ka attenuation hōʻailona.ʻAʻole kaulana ka mākeke.

SFTP: Uea pūnaewele pale ʻelua.Hoʻokumu ʻia ke ʻano o kēia uea ma ka FTP/STP alumini foil, a me kahi ʻāpana o ka ʻupena i hoʻopaʻa ʻia i ke keleawe, ʻo ka mea nui loa ma waho o ka quilt waho PVC. ʻO ka hemahema, ʻo kēia ʻano palupalu o ka milo he ʻilihune loa, he pipiʻi ke kumukūʻai;Hoʻohana wale ʻia kēia ʻano uea i nā kūlana kūikawā.


Ka manawa hoʻouna: Jan-23-2021