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Of communication, - .

Of communication, Devices

    The complete set of connecting line - Of communication Of communication ..

    The concentrator of telephone lines - Devices -

    The automatic concentrator of telephone lines - the device with automatic return of a line to an initial condition upon termination of conversation (at return of a microreceiver to an initial condition).

    The intercom with automatic call - the simple device on two relays of type -22, works with usual telephone sets, the call occurs automatically, at tube removal.

    A simple intercom with automatic call - the simple device, works with usual telephone sets, the call occurs automatically, at tube removal. noncritically to type of applied relays.

    An intercom for three and more subscribers - Of communication, Transistors, Two 155 (158, 555), Without application of electromagnetic relays.

    Telephone Stations

    Mini-ats on ten subscribers - Stations (6 155, 2621 ). .

    Mini-ats on ten subscribers - a design mini-ats (10 microcircuits of a series 155, 21 relays, 22 transistors). are executed on the relay and transistors.

    Contactless automatic telephone exchange - mini-ats on 10 numbers, is executed completely on semiconductors, without application of the relay or step-by-step selectors.

    Telephone Devices and prefixes to them.

    Three prefixes: A light signalling device, a melodious call, a signalling device with selection of calls. all prefixes work together with devices of telephone systems of the general using.

    Completion of telephone sets With microcircuit Saa1092-2 (u4076b) in the calling device. a simple way of completion of the scheme .. for work on telephone lines with a calling current of 25 hz.

    Optical Communication

     Communication. (0,3...15 ) - .

     Of communication : 1,05; 1,2; 1,7 0,6...0,7 ( ). Two Communication Of communication Of communication Of communication Of communication Of communication . Devices Of communication Of communication .Сайт: http://autosaity.ru/pri-pokupke-yakhty.html

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    Simple optical phone - Of communication 500

    Optical phone - the device possesses the raised noise stability, has interesting circuit decisions.




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