tie line

tie line
noun
1. : a string used for lining one end of track ties before laying rails when building a railroad track
2. : a line measured on the ground to connect some object to a survey
3. : a line connecting two power systems for interchange of power
4. : a telephone line that directly connects two or more private branch exchanges
5. : a straight horizontal line drawn on a phase diagram to join two points on curves giving the compositions of phases in equilibrium

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Telecommunications.
1. a line that connects two or more extensions in a PBX telephone system.
2. a private telephone channel, leased from a telephone company, that connects two or more PBX systems.

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tie line noun
A telephone line used solely for connecting two private branch exchanges (also interswitchboard line)
• • •
Main Entry: ↑tie

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n. a transmission line connecting parts of a system, esp. a telephone line connecting two private branch exchanges

Useful english dictionary. 2012.

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Look at other dictionaries:

  • tie line — n. ☆ 1. a direct telephone line between extensions in two or more PBX systems ☆ 2. a line used to connect one electric power or transportation system with another …   English World dictionary

  • Tie Line —   [engl.], Festleitung …   Universal-Lexikon

  • Tie line — A tie line, also known as a tie trunk, is a communication connection between extensions of a private telephone system, typically two PBXes. See also Circuit ID Leased line Private line References ([dead link] – Scholar sear …   Wikipedia

  • tie line — noun a transmission line connecting parts of a system, especially a telephone line connecting two private branch exchanges …   English new terms dictionary

  • tie-line — noun Date: 1923 a telephone line that directly connects two or more private branch exchanges …   New Collegiate Dictionary

  • tie line — Telecommunications. 1. a line that connects two or more extensions in a PBX telephone system. 2. a private telephone channel, leased from a telephone company, that connects two or more PBX systems. * * * …   Universalium

  • tie line — communications line that connects between telephone extensions on a private branch …   English contemporary dictionary

  • Tie line —   A transmission line connecting two or more power systems.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

  • tie line — /ˈtaɪ laɪn/ (say tuy luyn) noun a telephone line connecting two private branch exchanges or subscribers, which is not open to connection with the main telephone network, even though it may pass through a main exchange …  

  • tie line —    A private line communications channel provided by common carriers for linking two or more points …   IT glossary of terms, acronyms and abbreviations

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