V2EX cat5e

CAT5E

释义 Definition

Cat5e“Category 5 enhanced(增强型五类)” 的缩写,指一种常见的以太网双绞线网线标准,通常用于局域网布线,典型支持 1000BASET(千兆以太网) 等应用(在合规长度与施工条件下)。

发音 Pronunciation (IPA)

/kt fav i/

例句 Examples

I used a Cat5e cable to connect the router to my laptop.
我用一根 Cat5e 网线把路由器和笔记本电脑连接起来。

Although Cat5e is often enough for home networks, poor installation can still cause speed drops and interference.
虽然 Cat5e 通常足够家庭网络使用,但施工不规范仍可能导致网速下降和干扰问题。

词源 Etymology

Cat5e 来自布线标准的分类命名:CatCategory(类别) 的缩写,5 表示第五类等级,e 代表 enhanced(增强),意指在 Cat5 基础上改进指标(如串扰控制),以更稳定地支持更高等级的网络传输。

相关词 Related Words

文学与作品 Literary Works

Cat5e 属于工程与标准化术语,更多见于技术规范与网络布线类非虚构作品,例如:

  • ANSI/TIA568(综合布线标准文档)
  • IEEE 802.3(以太网标准文档)
  • Andrew S. Tanenbaum 等人的网络教材与布线/网络管理类技术书籍(常在布线章节中提及 Cat5e)
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