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  2. 25-pair color code - Wikipedia

    en.wikipedia.org/wiki/25-pair_color_code

    When used for plain old telephone service (POTS), the first wire is known as the tip or A-leg (U.K.) conductor, and is usually connected to the positive side of a direct current (DC) circuit, while the second wire is known as the ring lead or B-leg (U.K.), and is connected to the negative side of the circuit. Neither of these two sides of the ...

  3. Telephone line - Wikipedia

    en.wikipedia.org/wiki/Telephone_line

    A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. It is designed to reproduce speech of a quality that is understandable. [1] It is the physical wire or other signaling medium connecting the user's telephone apparatus to the telecommunications network, and ...

  4. Plain old telephone service - Wikipedia

    en.wikipedia.org/wiki/Plain_old_telephone_service

    Plain old telephone service. Plain Old Telephone Service ( POTS ), or Plain Ordinary Telephone System, [1] is a retronym for voice-grade telephone service employing analog signal transmission over copper loops. Originally POTS stood for Post Office Telephone Service as early phone lines in most parts of the world were operated directly by the ...

  5. Tip and ring - Wikipedia

    en.wikipedia.org/wiki/Tip_and_ring

    Tip and ring. 1: Sleeve, 2: Ring, 3: Tip, 4: Insulators. Tip and ring are the two conductors or sides of a telephone line. Their names are derived from the telephone plugs used for connecting telephone calls in manual switchboards. One side of the line is connected to the metal tip of the plug, and the second is connected to a metal ring behind ...

  6. 'The Black Phone' explained: A real life killer, childhood ...

    www.aol.com/news/black-phone-explained-real-life...

    The phone is dead. And it's ringing. So reads the tagline for "The Black Phone," Scott Derrickson's haunting adaptation of Joe Hill's short story.The script, which Derrickson co-wrote with his ...

  7. Model 500 telephone - Wikipedia

    en.wikipedia.org/wiki/Model_500_telephone

    The Western Electric model 500 telephone series was the standard domestic desk telephone set issued by the Bell System in North America from 1950 through the 1984 Bell System divestiture. The successor to the model 302 telephone, the model 500's modular construction compared to previous types simplified manufacture and repair and facilitated a ...

  8. How-To: Wiring VoIP to your phone jacks - Engadget

    www.engadget.com/2006-06-20-how-to-wiring-voip...

    To attach them, just insert the unstripped wires and squeeze down the circle with a pair of pliers. The wiring is completed. The first line is disconnected, and the remaining leads are now spliced ...

  9. List of electronic color code mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic_color...

    A mnemonic which includes color name (s) generally reduces the chances of confusing black and brown. Some mnemonics that are easy to remember: B eetle B ailey R uns O ver Y our G eneral B efore V ery G ood W itnesses. B each B ums R arely O ffer Y ou G atorade B ut V ery G ood W ater. B etter B e R ight O r Y our G reat B ig V acation G oes W rong.

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