ac ringdown signal

телефон.
вызывной сигнал переменного тока

English-Russian scientific dictionary. 2008.

Смотреть что такое "ac ringdown signal" в других словарях:

  • Ringdown — Ringdown: In telephony, a method of signaling an operator in which telephone ringing current is sent over the line to operate a lamp or cause the operation of a self locking relay known as a drop . Ringdown (a) is used in manual operation, as… …   Wikipedia

  • ringdown — noun A signal to a telephone operator that both rings a bell and allows a relay to drop …   Wiktionary

  • Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia

  • Rotary dial — A German Fe TAp 615, (R g) a widespread rotary dial telephone of the 1960s to the 1980s The rotary dial is a device mounted on or in a telephone or switchboard that is designed to send electrical pulses, known as pulse dialing, corresponding to… …   Wikipedia

  • Glossary of firefighting equipment — Note: This list is incomplete. You can help Wikipedia by [http://en.wikipedia.org/w/index.php?title=Glossary of firefighting equipment action=edit adding to it] . 0 9 * 1 3/4 inch hose: see attack hose * 2 1/2 inch hose: see attack hose , supply… …   Wikipedia

  • List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …   Wikipedia

  • Telephone call — A telephone call is a connection over a telephone network between the calling party and the called party. Information transmissionA telephone call may carry ordinary voice transmission using a telephone, data transmission when the calling party… …   Wikipedia

  • Northwestel — Inc. Type Subsidiary Industry Communications Services Founded 1979 Headquart …   Wikipedia

  • Quik Call I — Listen filename=CEGL DKNP Z.ogg title=Quik Call I description=Two Quik Call I sequences. format=OggQuik Call I, also known as 2+2, is a selective calling method originally used in one way paging receivers. In US fire service use, the tones are… …   Wikipedia

  • List of ships of the Culture setting — This is a list of spaceships found in the Culture novels by Iain M. Banks. Most ships in this list are members of The Culture, the hybrid society featured in many of these novels. In this setting, each Culture ship, and some others, is also an… …   Wikipedia


Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.