switch-hook operation
1Operation Moolah — MiG 15 in the Korean War Gallery at the National Museum of the United States Air Force. Operation Moolah was a United States Air Force (USAF) effort during the Korean War to obtain through defection a fully capable Soviet MiG 15 jet fighter.[1]… …
2Panel 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… …
3on-hook — 1. In telephone operation, the conditions existing when the receiver or handset is resting on the switch. 2. One of two possible signaling states such as tone or no tone, ground connection or battery connection. 3. The idle state (open… …
4telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …
5List 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,… …
6Telephone 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) …
7Hayes command set — The Hayes command set is a specific command language originally developed for the Hayes Smartmodem 300 baud modem in 1981. The command set consists of a series of short text strings which combine together to produce complete commands for… …
8Battersea Park rail crash (1937) — infobox UK rail accident title= Battersea Park rail crash date= 2 April 1937 location= Battersea Park railway station line = South London Line cause= Signalling error trains= 2 pax= 350 400 deaths= 10 injuries= 7The Battersea Park rail crash… …
9ГОСТ 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
10Infrastructure — Public infrastructure Assets and facilities Airports · Bridges · Broadband …
