BK9053-倍福耦合器说明书(中文版)(13)

一枚小可爱 分享 2021-04-05 下载文档

10BaseF

The 10BaseF standard describes several optical fiber versions. 该10BaseF的标准描述了几个光纤版本

Short description of the 10BaseT and 100BaseT cable types 10BaseT和100BaseT的电缆类型简短说明

Twisted pair copper cable for star topologies, where the distance between two devices may not exceed 100 meters. 双绞线铜缆的星型拓扑结构,在两个设备之间的距离不能超过100米。

UTP

Unshielded twisted pair

This type of cable belongs to category 3, and is not recommended for use in an industrial environment. 非屏蔽双绞线

这种电缆属于3类,因此不推荐用于工业环境中使用。

S/UTP

Screened/unshielded twisted pair (screened with copper braid)

Has a general screen of copper braid to reduce influence of external interference. This cable is recommended for use with Bus Couplers. 屏蔽/非屏蔽双绞线(屏蔽铜线编织)

拥有铜编织的普屏,以减少外部干扰的影响。该电缆推荐用于总线耦合器使用

FTP

Foiled shielded twisted pair (screened with aluminum foil)

This cable has an outer screen of laminated aluminum and plastic foil. 挫败屏蔽双绞线(屏蔽铝箔)

该电缆具有层压铝和塑料薄膜的外屏幕。

S/FTP

Screened/foiled-shielded twisted pair (screened with copper braid and aluminum foil)

Has a laminated aluminum screen with a copper braid on top. Such cables can provide up to 70 dB reduction in interference power. 屏蔽/挫败屏蔽双绞线(屏蔽铜线编织和铝箔) 具有层状铝屏幕,顶部的铜编织物。这样的电缆可提供高达70 dB的降低干扰功率。


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