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41V.110 — Dieser Artikel behandelt den Telekommunikationsstandard mit der Abkürzung ISDN; zu dem gleich abgekürzten Medikamentenwirkstoff, siehe Isosorbiddinitrat. ISDN Telefon Integrated Services Digital Network (ISDN) ist ein internationaler Standard für …
42V.120 — Dieser Artikel behandelt den Telekommunikationsstandard mit der Abkürzung ISDN; zu dem gleich abgekürzten Medikamentenwirkstoff, siehe Isosorbiddinitrat. ISDN Telefon Integrated Services Digital Network (ISDN) ist ein internationaler Standard für …
43Network interface device — In telecommunications, a Network Interface Device (NID) is a device that serves as the demarcation point between the carrier s local loop and the customer s premises wiring. Generically, an NID may also be called a Network Interface Unit (NIU),… …
44Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …
45Key telephone system — A key system or key telephone system is a multiline telephone system typically used in small office environments.Key systems are noted for their expandability and having individual line selection buttons for each connected phone line, however… …
46HYTAS — (Hybrides Teilnehmer Anschlusssystem) ist eine 1994 von ke Kommunikation Elektronik entwickelte Technik zur Realisierung einer Active Optical Network Architektur im Glasfasernetz. Das System ist Bestandteil des ISIS Konzeptes (Integriertes System …
47North Point Station — North Point 北角 …
48GPON — La Red Óptica Pasiva con Capacidad de Gigabit (GPON o Gigabit capable Passive Optical Network en inglés) fue aprobada en 2003 2004 por ITU T en las recomendaciones G.984.1, G.984.2, G.984.3, G.984.4 y G.984.5. Todos los fabricantes de equipos… …
49Highgate Wood Telephone Exchange — Highgate Wood is a suburb in North London that was chosen as the site of a trial for an electronic telephone exchange built by members from Joint Electronic Research Council (JERC), which was formed in 1956 and consisted of the British Post… …
50System X (telephony) — System X was the name of the UK s first national digital telephone exchange system.HistorySystem X was developed by the UK Post Office (later to become British Telecom), GEC, Plessey, and Standard Telephones and Cables (STC), and first shown in… …
