• September 21, 2005 21 Sep'05

    coarse wavelength division multiplexing (CWDM)

    Coarse wavelength division multiplexing (CWDM) is a method of combining multiple signals on laser beams at various wavelengths for transmission along fiber optic cables, such that the number of channels is fewer than in dense wavelength division ...  Continue Reading

  • September 21, 2005 21 Sep'05

    MFSK (multiple frequency shift keying)

    MFSK (multiple frequency shift keying), also called multi-frequency shift keying, is a method of signal modulation in which discrete audio tone bursts of various frequencies convey digital data.  Continue Reading

  • September 21, 2005 21 Sep'05

    integrated T1 (channelized T1)

    Integrated T1 (also called channelized T is a digital carrier modulation method in which a T1 line is divided into 24 channels, each having a maximum data speed of 64 thousand bits per second (Kbps), and each capable of supporting a unique ...  Continue Reading

  • September 21, 2005 21 Sep'05

    keystone jack

    A keystone jack is a female connector used in data communications, particularly local area networks (LANs).  Continue Reading

  • September 21, 2005 21 Sep'05

    chiral fiber

    Chiral fiber is a specialized optical fiber medium with its core twisted into a helical shape.  Continue Reading

  • September 21, 2005 21 Sep'05

    network perimeter

    A network perimeter is the boundary between the private and locally managed-and-owned side of a network and the public and usually provider-managed side of a network.  Continue Reading

  • September 21, 2005 21 Sep'05

    Infranet Initiative

    The Infranet Initiative is a collaborative effort to develop a high-performance universal public network that would serve as a supplement to the Internet for businesses and other high-demand users.  Continue Reading

  • September 21, 2005 21 Sep'05

    zone

    In general, a zone is an area of administration.  Continue Reading

  • September 21, 2005 21 Sep'05

    B8ZS (bipolar 8-zero substitution, binary 8-zero substitution, clear channel, clear 64)

    B8ZS (bipolar 8-zero substitution, also called binary 8-zero substitution, clear channel, and clear 64) is an encoding method used on T1 circuits that inserts two successive ones of the same voltage - referred to as a bipolar violation - into a ...  Continue Reading

  • September 21, 2005 21 Sep'05

    distributive numerical control (DNC)

    Distributive numerical control (DNC) is a technology that allows a single computer to be networked with one or more machines that use computer numerical control (CNC).  Continue Reading

  • September 21, 2005 21 Sep'05

    terahertz (THz)

    The terahertz, abbreviated THz, is a unit of electromagnetic (EM) wave frequency equal to one trillion hertz (1012 Hz).  Continue Reading

  • September 21, 2005 21 Sep'05

    multimode fiber

    In optical fiber technology, multimode fiber is optical fiber that is designed to carry multiple light rays or modes concurrently, each at a slightly different reflection angle within the optical fiber core.  Continue Reading

  • September 21, 2005 21 Sep'05

    discrete multitone (DMT)

    Discrete multitone (DMT) is a method of separating a Digital Subscriber Line (DSL) signal so that the usable frequency range is separated into 256 frequency bands (or channels) of 4.3125 KHz each.  Continue Reading

  • September 21, 2005 21 Sep'05

    queries-per-second (QPS)

    Queries-per-second (QPS) (or the query-per-second rate) is a measure of how much traffic a particular query server is handling at a given time.  Continue Reading

  • September 21, 2005 21 Sep'05

    RCA connector

    An RCA connector is a plug and a jack designed for use with coaxial cable for frequencies ranging from the very lowest up to several megahertz.  Continue Reading

  • September 21, 2005 21 Sep'05

    long-haul optics

    Long-haul optics refers to the transmission of visible light signals over optical fiber cable for great distances, especially without or with minimal use of repeaters.  Continue Reading

  • September 21, 2005 21 Sep'05

    triangulation

    Triangulation is a process by which the location of a radio transmitter can be determined by measuring either the radial distance, or the direction, of the received signal from two or three different points.  Continue Reading

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