carrier-frequency long-distance cable

высокочастотный кабель дальней связи (симметричный)

English-Russian dictionary of terminology cable technology.

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  • Frequency-division multiplexing — (FDM) is a form of signal multiplexing where multiple baseband signals are modulated on different frequency carrier waves and added together to create a composite signal. Non telephoneFDM can also be used to combine multiple signals before final… …   Wikipedia

  • Cable television in the Republic of Ireland — is the most common system for distributing multi channel television in the state. With a 40+ year history and extensive networks of both wired and wireless cable, the Republic of Ireland is amongst the most cabled countries in Europe.HistoryCable …   Wikipedia

  • Carrier system — In telecommunication, a carrier system (loosely, a synonym with carrier) is a multichannel telecommunications system in which a number of individual channels (e.g. data, audio, video or combination thereof) are multiplexed for transmission. The… …   Wikipedia

  • Carrier current — is a method of low power AM broadcasting that does not require a broadcast license in the United States, but is allowed on the campus of any school, so long as the normal FCC Part 15 Rules are adhered to when measured at the edge of the campus.… …   Wikipedia

  • Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • T-carrier — In telecommunications, T carrier, sometimes abbreviated as T CXR , is the generic designator for any of several digitally multiplexed telecommunications carrier systems originally developed by Bell Labs and used in North America, Japan, and Korea …   Wikipedia

  • Coaxial cable — RG 59 flexible coaxial cable composed of: A: outer plastic sheath B: woven copper shield C: inner dielectric insulator D: copper core Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by …   Wikipedia

  • L-carrier — SystemYearFrequencyCoax per cableDistance between repeatersVoice circuits per coaxL 119413 MHz48 miles600L 21942840 kHz416 miles360L 319538 MHz84 miles5,580L 4196717 MHz20 …   Wikipedia

  • Variable-frequency drive — A variable frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor.cite book | first=Sylvester J. |… …   Wikipedia

  • Competitive local exchange carrier — A competitive local exchange carrier (CLEC), in the United States, is a telecommunications provider company (sometimes called a carrier ) competing with other, already established carriers (generally the incumbent local exchange carrier (ILEC)).… …   Wikipedia

  • Direct distance dialing — (DDD) or direct dial is a telecommunications term for a network provided service feature in which a call originator may, without operator assistance, call any other user outside the local calling area. DDD requires more digits in the number… …   Wikipedia

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