V2EX crossover cable

Crossover Cable

释义 Definition

交叉网线/交叉电缆:一种用于直接连接两台同类网络设备(如电脑对电脑、交换机对交换机等)的以太网线缆,通过将发送与接收线对交叉对接(传统上常见为一端 T568A、另一端 T568B)来实现通信。在许多支持 Auto MDI-X 的现代设备上,通常不再必须使用。

发音 Pronunciation (IPA)

/krsovr kebl/

例句 Examples

A crossover cable connects two PCs directly.
交叉网线可以把两台电脑直接连接起来。

In older networks without Auto MDI-X, using a crossover cable was often necessary to link two switches for a quick lab setup.
在较老且不支持 Auto MDI-X 的网络中,为了快速搭建实验环境,连接两台交换机往往需要使用交叉网线。

词源 Etymology

crossover 源自 “cross over(交叉、跨越)”,强调线路对的“交叉连接”;cable 来自拉丁语 capulum(绳索/缆绳一类的概念,后在英语中演变为“电缆/线缆”)。组合起来即指“用于交叉接线的电缆”。

相关词 Related Words

文献与作品 Literary Works

  • Computer Networking: A Top-Down Approach(《计算机网络:自顶向下方法》)
  • Network+ Guide to Networks(《Network+ 网络指南》)
  • CCNA 200-301 Official Cert Guide(《CCNA 200-301 官方认证指南》)
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