IC693PWR322LT標(biāo)準(zhǔn)以太網(wǎng)電纜通過(guò)雙絞線(xiàn)銅線(xiàn)發(fā)送數(shù)據(jù)。在過(guò)去，價(jià)格較低的電纜可能只使用兩根雙絞線(xiàn)，但現(xiàn)代的傳統(tǒng)以太網(wǎng)電纜有四根雙絞線(xiàn)，用于高速數(shù)據(jù)傳輸和以太網(wǎng)供電 (PoE)。由于電纜結(jié)構(gòu)、電纜長(zhǎng)度、干擾和數(shù)據(jù)速率，所有以太網(wǎng)電纜都在程度上遭受信號(hào)衰減。如果高速數(shù)據(jù)是通過(guò) 10 米 (m) 或更長(zhǎng)的電纜發(fā)送的，則要由電纜結(jié)構(gòu)負(fù)責(zé)防止過(guò)度的信號(hào)衰減。
大多數(shù)商業(yè)和低速工業(yè)以太網(wǎng)電纜使用絞合銅線(xiàn)雙絞線(xiàn)。非常柔軟，易于操作，從而使電纜可以在拐角處彎曲，在地板和安裝點(diǎn)上貼上膠帶后可以保持原位。然而，與實(shí)心銅線(xiàn)相比，絞合銅線(xiàn)對(duì)電流流動(dòng)的阻力更大，尤其是在長(zhǎng)距離傳輸時(shí)。這使得實(shí)心銅線(xiàn)更適合于高速數(shù)據(jù)，高速數(shù)據(jù)通常使用較低的信號(hào)電壓，使得高速數(shù)據(jù)更容易受到信號(hào)衰減和電線(xiàn)電阻造成的數(shù)據(jù)損失的影響。對(duì)于 PoE 來(lái)說(shuō)，與絞合銅相比，實(shí)心銅還可以承載更多的電流，產(chǎn)生的熱量也更少，因此是更合適的選擇。
IC693PWR322LT
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