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  2. Telephone jack and plug - Wikipedia

    en.wikipedia.org/wiki/Telephone_jack_and_plug

    For example, telephone cables in the UK typically have a BS 6312 (UK standard) plug at the wall end and a 6P4C or 6P2C modular connector at the telephone end: this latter may be wired as per the RJ11 standard (with pins 3 and 4), or it may be wired with pins 2 and 5, as a straight-through cable from the BT plug (which uses pins 2 and 5 for the ...

  3. Electrical grid - Wikipedia

    en.wikipedia.org/wiki/Electrical_grid

    Diagram of an electrical grid (generation system in red, transmission system in blue, distribution system in green) An electrical grid (or electricity network) is an interconnected network for electricity delivery from producers to consumers.

  4. Illuminati - Wikipedia

    en.wikipedia.org/wiki/Illuminati

    Finding Freemasonry expensive, and not open to his ideas, he founded his own society which was to have a system of ranks or grades based on those in Freemasonry, but with his own agenda. [4] His original name for the new order was Bund der Perfektibilisten , or Covenant of Perfectibility (Perfectibilists); he later changed it because it sounded ...

  5. Hybrid fiber-coaxial - Wikipedia

    en.wikipedia.org/wiki/Hybrid_fiber-coaxial

    In a hybrid fiber-coaxial cable system, television channels are sent from the cable system's distribution facility, the headend, to local communities through optical fiber subscriber lines. At the local community, an optical node translates the signal from a light beam to radio frequency (RF), and sends it over coaxial cable lines for ...

  6. JD Vance - Wikipedia

    en.wikipedia.org/wiki/JD_Vance

    James Donald Bowman was born on August 2, 1984, in Middletown, Ohio, [11] [12] to Beverly Carol (née Vance; born 1961) and Donald Ray Bowman (1959–2023). He is of Scots-Irish descent. [ 13 ] [ 14 ] His parents divorced when he was a toddler. [ 12 ]

  7. Cartesian coordinate system - Wikipedia

    en.wikipedia.org/wiki/Cartesian_coordinate_system

    In geometry, a Cartesian coordinate system (UK: / k ɑːr ˈ t iː zj ə n /, US: / k ɑːr ˈ t iː ʒ ə n /) in a plane is a coordinate system that specifies each point uniquely by a pair of real numbers called coordinates, which are the signed distances to the point from two fixed perpendicular oriented lines, called coordinate lines ...

  8. Voice over IP - Wikipedia

    en.wikipedia.org/wiki/Voice_over_IP

    Voice over Internet Protocol (VoIP), [a] also called IP telephony, is a method and group of technologies for voice calls for the delivery of voice communication sessions over Internet Protocol (IP) networks, [2] such as the Internet.

  9. VDSL - Wikipedia

    en.wikipedia.org/wiki/VDSL

    Vplus is a technology to achieve higher speeds over existing VDSL2 networks. It was developed by Alcatel-Lucent and standardised in November 2015 in ITU G.993.2 Amendment 1 as VDSL2 profile 35b. [2] It promises to deliver speeds of up to 300 Mbit/s downstream and 100 Mbit/s upstream on loops shorter than 250 m.