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    以太网线

    以太网线是什么?

    以太网线是连接计算机与计算机、计算机与其它网络设备的连接线。

    常见的以太网线

    • 五类网线,Cat5:非屏蔽10Mbps,最大带宽为16MHz
    • 超五类网线,Cat5e:非屏蔽1,000Mbps至1Gbps,最大带宽为100MHz
    • 六类网线,Cat6:屏蔽或非屏蔽10Gbps,最远55米,最大带宽为250MHz
    • 超六类网线,Cat6a:屏蔽10Gbps,最远55米,最大带宽500MHz
    • 七类网线,Cat7:屏蔽100Gbps,最远15米,最大带宽为600MHz
    • 超七类网线,Cat7a:屏蔽100Gbps,最远15米,最大带宽为1,000MHz
    • 八类网线,Cat8:屏蔽40Gbps,最远30米,最大带宽为2,000MHz

    双绞线是什么?

    双绞线分为屏蔽(简称STP)和非屏蔽(简称UTP)两种。所谓的屏蔽就是指网线内部信号线的外面包裹着一层金属网,在屏蔽层外面才是绝缘外皮,屏蔽层可以有效地隔离外界电磁信号的干扰。

    UTP是目前局域网中使用频率最高的一种网线。这种网线在塑料绝缘外皮里面包裹着8根信号线,它们每两根为一对相互缠绕,总共形成四对,双绞线也因此得名。双绞线这样互相缠绕的目的就是利用铜线中电流产生的电磁场互相作用抵消邻近线路的干扰并减少来自外界的干扰。每对线在每英寸长度上相互缠绕的次数决定了抗干扰的能力和通信的质量,缠绕得越紧密其通信质量越高,可以支持更高的网络数据传送速率,当然它的成本也就越高。

    RS为您提供了不同品牌的以太网线,如Phoenix ContactTE ConnectivityStarTech.comRockwell AutomationHARTING等多款不同规格、型号的产品供您挑选,从而满足不同的应用场景需求。

    欢迎查看和订购RS的以太网线及相关产品,订购现货24小时内发货,线上下单满额免运费。

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