loop reverse battery
1Loop 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 …
2Current loop — This article is about the electrical signaling schemes. For the oceanic phenomenon, see Loop current. A current loop describes two different electrical signalling schemes. Contents 1 Digital 2 Analog 3 Process control use …
3LRB — Legislative Reference Bureau (Governmental » US Government) * Loop Reverse Battery (Computing » Telecom) * Leribe, Lesotho (Regional » Airport Codes) * Long Range Budget (Governmental » US Government) * Logistics Review Board (Governmental »… …
4LRB — abbr. Loop Reverse Battery …
51ESS 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… …
6Signalling (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… …
7Signaling (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… …
8electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …
9Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …
10Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
