rotary switching system
11North American Numbering Plan — NANPA redirects here. For other uses, see Nanpa (disambiguation). This article is about the numbering plan. For a list of area codes under the plan, see List of North American Numbering Plan area codes. The North American Numbering Plan (NANP) is …
12List of telephone switches — This is intended to be a list of the more common central office (telephone company operated) telephone switches. This list is nowhere near complete. Many British and non North American switches are missing.AGCS*GTD 5 EAXAlcatel*E10 Five *E10B… …
13Switch — For other uses, see Switch (disambiguation). Electrical switches. Top, left to right: circuit breaker, mercury switch, wafer switch, DIP switch, surface mount switch, reed switch. Bottom, left to right: wall switch (U.S. style), miniature toggle… …
14Panel switch — The panel switching system was an early type of automatic telephone exchange, first put into urban service by the Bell System in the 1920s and removed during the 1970s. The Panel and Rotary systems were developed in parallel by Bell Labs before… …
15ГОСТ 19472-88: Система автоматизированной телефонной связи общегосударственная. Термины и определения — Терминология ГОСТ 19472 88: Система автоматизированной телефонной связи общегосударственная. Термины и определения оригинал документа: Circuit group telephone network traffic capacity 68 Определения термина из разных документов: Circuit group… …
Словарь-справочник терминов нормативно-технической документации
16Mesa Boogie — The Mesa Boogie logo Mesa/Boogie (also known as Mesa Engineering) is a company in Petaluma, California that makes amplifiers for guitars and basses. It has been in operation since 1969. Mesa was started by Randall Smith as a small repair shop… …
17Dual-tone multi-frequency — (DTMF) signaling is used for telephone signaling over the line in the voice frequency band to the call switching center. The version of DTMF used for telephone tone dialing is known by the trademarked term Touch Tone (canceled March 13, 1984),… …
18Strowger switch — The Strowger switch, also known as Step by Step or SXS , is an early electromechanical telephone switching system invented by Almon Brown Strowger. It is a specialized version of a stepping switch.HistoryAccording to legend, Almon Strowger was… …
19Stored Program Control exchange — (SPC) is the technical name used for telephone exchanges controlled by a computer program stored in the memory of the system. Early exchanges such as Strowger, Panel, Rotary, and Crossbar were electro mechanical and had no software control. SPC… …
20Museum of Science, Boston — Infobox Museum name = Museum of Science, Boston imagesize = 200 map type = map caption = latitude =42.367778 longitude = 71.070997 established = 1830 dissolved = location = Boston, Massachusetts type = Science museum visitors = director = Ioannis …
