V2EX db25

DB25

Definition / 定义

DB25:一种 25针 D-sub(D型)连接器 的常见称呼,历史上常用于 并口(打印机端口)RS-232 串口 等计算机外设连接。(不同设备上引脚定义可能不同。)

Pronunciation / 发音

/dibi twenti fav/

Examples / 例句

The old printer uses a DB25 connector.
那台老式打印机使用 DB25 连接器。

Although the computer still has a DB25 port, you may need an adapter because modern devices typically use USB instead.
虽然这台电脑仍然有 DB25 接口,但你可能需要转换器,因为现代设备通常改用 USB。

Etymology / 词源

DB25 来自 D-subminiature(D型微型)连接器 的命名体系:字母(如 “DB”)原本表示外壳尺寸系列(B 型外壳),数字 “25” 表示 25 个针脚。在日常使用中,人们常把这类 25 针 D-sub 连接器统称为 “DB25”。

Related Words / 相关词

Literary Works / 文学作品与出处

  • The Art of Electronics(《电子学艺术》)在讲解接口与硬件连接的语境中常会涉及 D-sub/DB25 一类连接器
  • IBM PC/AT Technical Reference(IBM PC/AT 技术参考手册)与早期 PC 接口(并口/串口)相关的资料中常出现 DB25 的描述
  • PC Hardware in a Nutshell(《PC 硬件袖珍指南》)硬件端口与连接器章节常提及 DB25(并口/串口相关)
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