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- Digital_Multiplex_System abstract "Not to be confused with DMX512.Digital Multiplex System (DMS) is the name shared among several different telephony product lines from Nortel Networks for wireline and wireless operators. Among them are the DMS-1 (originally named the DMS-256) Rural/Urban digital loop carrier, DMS-10 telephone switch, the DMS SuperNode family of telephone switches (DMS-100, DMS-200, DMS-250, DMS-300, DMS-500, DMS-GSP, DMS-MSC, DMS-MTX), and the S/DMS optical transmission system.Exploratory development on the technology began at Northern Telecom's Bell Northern Research Labs (Ottawa, Canada) in 1971. The first Class 5 switch, the DMS-10, began service on 21 October 1977 in Fort White, Florida and the first toll switch (Class 4), the DMS-200, entered service in 1979 in Ottawa, Canada. The DMS-10 was the first commercially successful Class 5 digital switch in the North American market and had a profound impact on the industry. Of the numerous digital switching products introduced in the North American telephone market in the late 1970s, only the Nortel DMS family is still in production. GENBAND acquired Nortel CVAS assets including the DMS line in 2011 and rolled it into its IP-based GENiUS platform. The GENiUS-750nt is the first product to include adaptive nano-tech compression and resynchronization modules from Ericsson, to replace the digital cross-connect (DCS) in place since the earliest DMS releases.Previously, new technology had entered the telecommunications industry slowly, with the telephone companies amortizing equipment over periods as long as forty years. AT&T was intending to delay the introduction of digital switching until the 1990s. The DMS, with its introduction of digital technology, changed the industry and became one of the antecedents that encouraged the growth of the Internet.On October 16, 2006, Nortel received a special recognition award from Canada's Telecommunications Hall of Fame for its role in pioneering digital communications with the Digital Multiplex System.The DMS name arose from a designation for a switching matrix design that was developed in the exploratory phase of the project. The Digital Multiplexed Switch was selected as the basic switching design for the project. The product was intended as a successor for Nortel's first electronic switch the SP1 and was to be called the SP2. However the DMS acronym was mellifluous and was eventually (1975) adopted as the designation for the DMS-10 and DMS-100 family of products, with the \"S\" standing for \"system\" rather than \"switch\". It was then applied to the entire digital switching family as well as the DMS-1 family of Digital Transmission Concentrators.DMS is favoured by many European cable operators as the switching platform for their voice networks. The DMS-10 is widely used by rural wireline providers. DMS-100 and 200 switches are widely deployed throughout the U.S. and Canada by Regional Bell Operating Companies, Bell Canada and independent telephone companies as well as the US Military. The DMS-250 is the backbone of a number of carriers' long distance networks. The DMS-300 is an international gateway switch, and the DMS-500 is commonly deployed by competitive local exchange carriers because it combines DMS-100 and 250 capabilities.DMS switches run a proprietary multitasking operating system known as SOS.The user interface called MAPCI, consists of a series of multi-level menus and is usually accessed from a connected VT100 compatible dumb terminal or terminal emulator. Each level or overlay performs different functions. For example, the alarm overlay (invoked by typing OVLY ALO on a terminal connected to a DMS-10) allows the operator to enter commands to display and clear alarms. Similarly, OVLY LIT permits running metallic Line Isolation Testing on cable pairs to determine line resistance, voltage, capacitance, etc. DMS switches are also capable of running a specialized version of UNIX.".
- Digital_Multiplex_System thumbnail Nortel_DMS10.jpg?width=300.
- Digital_Multiplex_System wikiPageExternalLink product_content.jsp?parId=0&segId=0&catId=D&prod_id=52600&locale=en-US.
- Digital_Multiplex_System wikiPageID "452248".
- Digital_Multiplex_System wikiPageLength "5700".
- Digital_Multiplex_System wikiPageOutDegree "29".
- Digital_Multiplex_System wikiPageRevisionID "706804169".
- Digital_Multiplex_System wikiPageWikiLink AT&T_Corporation.
- Digital_Multiplex_System wikiPageWikiLink Amortization.
- Digital_Multiplex_System wikiPageWikiLink Autovon.
- Digital_Multiplex_System wikiPageWikiLink Bell-Northern_Research.
- Digital_Multiplex_System wikiPageWikiLink Bell_Canada.
- Digital_Multiplex_System wikiPageWikiLink Cable_telephony.
- Digital_Multiplex_System wikiPageWikiLink Category:Multiplexing.
- Digital_Multiplex_System wikiPageWikiLink Category:Nortel.
- Digital_Multiplex_System wikiPageWikiLink Category:Nortel_products.
- Digital_Multiplex_System wikiPageWikiLink Category:Telephone_exchange_equipment.
- Digital_Multiplex_System wikiPageWikiLink Class-4_telephone_switch.
- Digital_Multiplex_System wikiPageWikiLink Class-5_telephone_switch.
- Digital_Multiplex_System wikiPageWikiLink Competitive_local_exchange_carrier.
- Digital_Multiplex_System wikiPageWikiLink DMS-100.
- Digital_Multiplex_System wikiPageWikiLink DMX512.
- Digital_Multiplex_System wikiPageWikiLink Digital_loop_carrier.
- Digital_Multiplex_System wikiPageWikiLink Fort_White,_Florida.
- Digital_Multiplex_System wikiPageWikiLink Independent_telephone_company.
- Digital_Multiplex_System wikiPageWikiLink List_of_telephone_switches.
- Digital_Multiplex_System wikiPageWikiLink Nortel.
- Digital_Multiplex_System wikiPageWikiLink Ottawa.
- Digital_Multiplex_System wikiPageWikiLink Regional_Bell_Operating_Company.
- Digital_Multiplex_System wikiPageWikiLink SP-1_switch.
- Digital_Multiplex_System wikiPageWikiLink Telecommunications_Hall_of_Fame.
- Digital_Multiplex_System wikiPageWikiLink Telephone_exchange.
- Digital_Multiplex_System wikiPageWikiLink Telephony.
- Digital_Multiplex_System wikiPageWikiLink File:Nortel_DMS10.jpg.
- Digital_Multiplex_System wikiPageWikiLink File:Nortel_DMS100_public_voice_exchange.jpg.
- Digital_Multiplex_System wikiPageWikiLinkText "DMS Switch".
- Digital_Multiplex_System wikiPageWikiLinkText "DMS".
- Digital_Multiplex_System wikiPageWikiLinkText "DMS-10".
- Digital_Multiplex_System wikiPageWikiLinkText "DMS-10, DMS-100".
- Digital_Multiplex_System wikiPageWikiLinkText "DMS-100".
- Digital_Multiplex_System wikiPageWikiLinkText "DMS-200".
- Digital_Multiplex_System wikiPageWikiLinkText "DMS-250".
- Digital_Multiplex_System wikiPageWikiLinkText "Digital Multiplex System (DMS)".
- Digital_Multiplex_System wikiPageWikiLinkText "Digital Multiplex System".
- Digital_Multiplex_System wikiPageWikiLinkText "digital technology".
- Digital_Multiplex_System wikiPageUsesTemplate Template:Citation_needed.
- Digital_Multiplex_System wikiPageUsesTemplate Template:Dead_link.
- Digital_Multiplex_System wikiPageUsesTemplate Template:Reflist.
- Digital_Multiplex_System subject Category:Multiplexing.
- Digital_Multiplex_System subject Category:Nortel.
- Digital_Multiplex_System subject Category:Nortel_products.
- Digital_Multiplex_System subject Category:Telephone_exchange_equipment.
- Digital_Multiplex_System hypernym Name.
- Digital_Multiplex_System type Company.
- Digital_Multiplex_System type Company.
- Digital_Multiplex_System type Exchange.
- Digital_Multiplex_System type Product.
- Digital_Multiplex_System type Protocol.
- Digital_Multiplex_System comment "Not to be confused with DMX512.Digital Multiplex System (DMS) is the name shared among several different telephony product lines from Nortel Networks for wireline and wireless operators.".
- Digital_Multiplex_System label "Digital Multiplex System".
- Digital_Multiplex_System sameAs Q5275933.
- Digital_Multiplex_System sameAs m.02b7rx.
- Digital_Multiplex_System sameAs Q5275933.
- Digital_Multiplex_System wasDerivedFrom Digital_Multiplex_System?oldid=706804169.
- Digital_Multiplex_System depiction Nortel_DMS10.jpg.
- Digital_Multiplex_System isPrimaryTopicOf Digital_Multiplex_System.