UTP(Unshielded Twisted Pair)
非屏蔽雙絞線,無金屬屏蔽材料,只有一層絕緣膠皮包裹,其線路優點是阻燃效果好,不容易引起火災。Vcom超五類、六類、六A類非屏蔽雙絞線外包優質環阻燃PVC護套,使用壽命更長久。
STP(Shielded Twisted Pair)
屏蔽雙絞線,這是一個廣義的名字。
FTP(Foiled Twisted Pair)
鋁箔屏蔽雙絞線,實際上目前屏蔽雙絞線就是鋁箔屏蔽雙絞線。所以STP、FTP實際是一樣的。相對UTP,FTP/STP只是在芯線的外面多了一層鋁箔,目的在於減少信號的衰減。Vcom超五類、六類、六A類鋁箔屏蔽雙絞線,使線對平衡性能更加穩定。
SFTP (Shielded Foiled Twisted Pair)
雙屏蔽雙絞線,這種線的結構是在FTP/STP的鋁箔基礎上再加上一層鍍錫銅編織網,最外面是PVC外被。由於多了一層鍍錫銅編織網,可以大大減少外界磁場,信號的干擾,也可以減少內部信號的衰減,增加線纜的拉力。Vcom超五類外包單面鋁箔+編織網雙平屏蔽層,能高效屏蔽外來電磁干擾;七類全屏蔽雙絞線的加厚鋁箔屏蔽層+128編織網能有效阻隔串音與外部電磁波干擾。
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UTP, STP, FTP, SFTP represent what meaning respectively
UTP (Unshielded Twisted Pair)
Unshielded twisted pair, no metal shielding materials, only a layer of insulating rubber wrapped, the advantages of the line is the flame retardant effect, not easy to cause a fire. Vcom ultra-five, six, six A-type unshielded twisted pair outsourcing high-quality flame retardant PVC jacket, longer service life.
STP (Shielded Twisted Pair)
Shielded twisted pair, this is a broad name.
FTP (Foiled Twisted Pair)
Foil shielded twisted pair, in fact, the current shielded twisted pair is shielded twisted pair aluminum foil. So STP, FTP is actually the same. Relative to UTP, FTP / STP is just an extra layer of foil on the outside of the core to reduce signal degradation. Vcom super five, six, six A-type shielded twisted-pair aluminum foil, the balance of the line more stable performance.
SFTP (Shielded Foiled Twisted Pair)
Double shielded twisted pair, this line structure is based on the FTP / STP aluminum foil plus a layer of tinned copper braid, the outermost is the PVC jacket. As a result of more than a layer of tinned copper braid, can greatly reduce the external magnetic field, signal interference, but also can reduce the attenuation of the internal signal, increase the cable tension. Vcom ultra-five outsourcing of single-sided aluminum foil + braid double flat shield, which can effectively shield external electromagnetic interference; seven shielded twisted pair thicker foil shield +128 braid can effectively block crosstalk and external electromagnetic interference.
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