Demarcation point

（重定向自Demark）

20th century Bell Canada demarcation point for a single phone line. The spark-gap surge protectors on the left have hex heads for easy removal. Near center, a post is connected to the house's ground. The other two connection points are for tip and ring. A test jack can be attached nearby so the home-owner or tenant can verify whether the inside wiring is at fault. Modern Bell Canada demarcation points are network interface devices

In telephony, the demarcation point is the point at which the public switched telephone network ends and connects with the customer's on-premises wiring. It is the dividing line which determines who is responsible for installation and maintenance of wiring and equipment—customer/subscriber, or telephone company/provider. The demarcation point varies between countries and has changed over time.

单词	demark
释义	demark /di'mɑ:k/ 英汉-汉英词典 n. 区别,区分词组 \| 习惯用语您要查找的是不是： remark n. 评论；备注；注意 v. 评论；注意到 trademark n. 商标；特点 debark vt. 使下船；使登陆；卸 vi. 登陆 demander n. 要求者，请求者 demarcate vt. 定…的界线;区分 demark n. 区别; n. (Demark)人名；(英)德马克; 网络短语: demark cargo 地区；美国买家原声例句连线杂志 Other people use it almost like a baton to demark a point as they're talking. 其他人在谈话时几乎像指挥棒一样使用它来标记一个点。英语百科 Demarcation point （重定向自Demark） In telephony, the demarcation point is the point at which the public switched telephone network ends and connects with the customer's on-premises wiring. It is the dividing line which determines who is responsible for installation and maintenance of wiring and equipment—customer/subscriber, or telephone company/provider. The demarcation point varies between countries and has changed over time.
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demark /di'mɑ:k/

您要查找的是不是：

网络短语:

Demarcation point