- reverse-battery supervision
- Way of indicating to the CO that a called telephone has gone off-hook. The voltage of the line at the originating end is reversed.
IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
контроль (наличия) постоянного тока (в конце линии) обратной передачей — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN reverse battery supervision … Справочник технического переводчика
1ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… … Wikipedia
Loop start — In telecommunications, a loop start is a supervisory signal given by a telephone or PBX in response to the completion of the loop circuit, commonly referred to as off hook . When idle, or on hook , the loop is at 48V DC (provided by the CO or FXS … Wikipedia
Telephone switchboard — PBX switchboard, 1975 A switchboard (also called a manual exchange) was a device used to connect a group of telephones manually to one another or to an outside connection, within and between telephone exchanges or private branch exchanges (PBXs) … Wikipedia
Signalling (telecommunications) — In telecommunication, signalling (UK spelling) or signaling (US spelling) has the following meanings: *The use of signals for controlling communications. *In a telecommunications network, the information exchange concerning the establishment and… … Wikipedia
Signaling (telecommunications) — In telecommunication, signaling (signalling in British spelling) has the following meanings: the use of signals for controlling communications the information exchange concerning the establishment and control of a telecommunication circuit and… … Wikipedia
Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… … Wikipedia
Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… … Universalium
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
ZSU-57-2 — Infobox Weapon name=ZSU 57 2 (Ob yekt 500) caption=ZSU 57 2 in Lubuskie Military Museum in Drzonów, Poland, 1 July 2007. origin=flagcountry|Soviet Union type=Self propelled anti aircraft gun is vehicle=yes designer=Design Bureaus of Omsk Works No … Wikipedia