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List of the mainly electro mechanical switching systems from Hasler AG Bern, which were used in public telephone network in Switzerland for many decades. Hasler AG finally merged into Ascom in 1987. HS 25 (modified from the Ericsson OL-100 system with double relays and 25-point selector (Ericsson license), mainly used for small villages and ...
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Avaya Virtual Services Platform 7000 Series or VSP 7000 is a set standalone/Stackable Switches, used in enterprise data networks, and data centers, manufactured by Avaya. This product is primarily offered to satisfy the Top-of-Rack (ToR) role for server farms and virtualized data centers.
Avaya Virtual Services Platform 9000 Series or VSP 9000 is a set of modular chassis switches used in enterprise and data center networks, manufactured by Avaya.The VSP 9000 was targeted at institutions which were suffering from performance limitations, needed to simplify their network infrastructure in a virtualized environment, or required 10 Gigabit Ethernet with the option to scale to 40 or ...
Avaya Inc. were listed on the NYSE using the symbol AV from 2000 to 2007. In October 2007, Avaya Inc. was acquired for $8.2 billion by Sierra Holdings Corp owned by two private-equity firms, TPG Capital and Silver Lake Partners. [9] [10] On June 6, 2011 Sierra Holdings Corp. was renamed Avaya Holdings Corp. [11]
Avaya Ethernet Routing Switch 5600 Series Ethernet Routing Switch 5600 Series or (ERS 5600) in computer networking terms are stackable routers and switches designed and manufactured by Avaya . The ERS 5600 Switches can be stacked up to 8 units high to create a 1.152 Tbit/s backplane [ 1 ] [ 2 ] through the Flexible Advanced Stacking Technology ...
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The systems marketed in North America as the 1A, 1A1, 1A2 Key System, and the 6A, are typical examples and were sold for many decades. The Western Electric 1A family of key telephone units (KTUs) was introduced in the late 1930s and remained in use until the 1950s. 1A equipment was primitive and required at least two KTUs per line; one for line ...