V2EX twisted-pair

Twisted-pair

释义 Definition

双绞线”:一种把两根相互绝缘的导线按一定螺旋方式绞合成一对的电缆结构,用来降低电磁干扰(EMI)串扰(crosstalk),常见于电话线与以太网网线(如 Cat5e/Cat6)中。也常写作 twisted pair(不加连字符)。

发音 Pronunciation (IPA)

/twstd pr/

例句 Examples

I connected the router with a twisted-pair cable.
我用一根双绞线把路由器连接起来。

Twisted-pair wiring helps reduce noise and crosstalk in long network runs, which is why it’s widely used in Ethernet.
双绞线布线有助于在较长的网络线路中降低噪声和串扰,这也是它被广泛用于以太网的原因。

词源 Etymology

twisted 来自 twist(“扭、绞、拧”),pair 意为“一对”。该术语字面意思就是“绞在一起的一对导线”。这种结构在电信与数据通信领域被普及,用“绞合”来抵消外界干扰并减少相互影响。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Computer Networks(Andrew S. Tanenbaum 等):讲解局域网介质与以太网布线时常涉及 twisted pair。
  • Data and Computer Communications(William Stallings):在传输介质章节中介绍双绞线的特性与应用。
  • The Art of Electronics(Horowitz & Hill):在信号传输与噪声抑制相关内容中提及双绞结构与抗干扰思路。
  • ANSI/TIA-568(结构化布线标准):规范双绞线类别与布线要求(如 Cat5e/Cat6)。
  • IEEE 802.3(以太网标准):涉及以太网在双绞线介质上的物理层规范(如 100BASE-T、1000BASE-T)。
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