V2EX dce

DCE

释义 Definition

DCE 是一个常见缩写,最常见的含义之一是 Data Communications Equipment(数据通信设备):指在数据传输中负责建立、维持与调度通信的设备(如调制解调器、某些接口设备),通常与 DTE(数据终端设备) 相对应。
(在计算机领域里 DCE 也可能指 Distributed Computing Environment 等其他含义,需结合上下文。)

发音 Pronunciation

/di si i/

例句 Examples

The router is acting as the DCE in this setup.
在这个配置中,路由器充当 DCE(数据通信设备)。

In an RS-232 connection, the DCE typically provides clocking and communication control, while the DTE sends and receives user data.
在 RS-232 连接中,DCE 通常提供时钟与通信控制,而 DTE 负责发送与接收用户数据。

词源 Etymology

DCE 来自首字母缩略词 Data Communications Equipment。该术语在早期数据通信与串行接口标准(如 RS-232)中广泛使用,用来区分“负责通信链路的一端设备”(DCE)与“用户终端/主机一端设备”(DTE)。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Andrew S. Tanenbaum, Computer Networks(计算机网络教材中常讨论 DTE/DCE 与接口角色)
  • William Stallings, Data and Computer Communications(涉及数据通信设备与链路控制术语)
  • EIA/TIA-232(RS-232)相关标准文档(对 DCE/DTE 的定义与连接方式有明确描述)
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