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Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Pair_gain> ?p ?o }

• Pair_gain abstract "In telephony, pair gain is a method of transmitting multiple POTS signals over the twisted pairs traditionally used for a single traditional subscriber line in telephone systems. Pair gain has the effect of creating additional subscriber lines. This is typically used as an expedient way to solve subscriber line shortage problems by using existing wiring, instead of installing new wires from the central office to the customer premises. The term was invented in the middle 20th century by analogy with earlier use of gain to extend telephone local loops far from the telephone exchange.A pair gain system consists of concentrators or multiplexers which combine the separate signals into a single signal which is transmitted through the existing copper cable pair. The signals are then separated into individual subscriber lines at the customer premises. The pair gain unit which performs the multiplexing can simply provide a second telephone connection over a single subscriber line (called an Analog Multi-Line Carrier or AML) in circumstances where a customer wants to add a new phone line for a fax machine or dial-up internet connection. A larger analog pair gain system made by Anaconda in the 1960s provided seven lines. Some pair gain units can expand the number of subscriber lines available over a single copper pair to as many as sixty. Large pair gain units are stored in serving area interfaces or metal cabinets typically resembling small apartment-sized refrigerators alongside or near roadways that overlie communications rights-of-way.DACS (Digital Access Carrier System) is a form of pair gain used in the United Kingdom. It uses a form of time division multiple access called ISDN.Analog pair gain came into disfavor in the 21st century, as it is detrimental to high speed dial-up modem connections, does not support 56k and is incompatible with Digital Subscriber Line (DSL) systems. 20th century Subscriber Loop Carrier systems had similar problems. More recent digital pair gain systems, however, restore 56k and DSL capabilities by performing the functions of a DSLAM at the pair gain device.More recently, the term pair gain has been used to refer to any multiplex/demultiplex unit used between the central office and end users, not just equipment used with copper twisted pair.Where digital loop carrier (called Remote Integrated Multiplexer in Australia) is installed, broadband Internet subscribers may be disappointed when informed that although initial line checks were successful, high speed connections such as ADSL are unavailable due to infrastructure issues. The problem is that pair gain lines cannot carry high speed data.".
• Pair_gain wikiPageID "733777".
• Pair_gain wikiPageLength "3276".
• Pair_gain wikiPageOutDegree "33".
• Pair_gain wikiPageRevisionID "682022329".
• Pair_gain wikiPageWikiLink 56k.
• Pair_gain wikiPageWikiLink ADSL.
• Pair_gain wikiPageWikiLink Anaconda_Copper.
• Pair_gain wikiPageWikiLink Asymmetric_digital_subscriber_line.
• Pair_gain wikiPageWikiLink Broadband_Internet.
• Pair_gain wikiPageWikiLink Category:Local_loop.
• Pair_gain wikiPageWikiLink Category:Multiplexing.
• Pair_gain wikiPageWikiLink Concentrator.
• Pair_gain wikiPageWikiLink DACS_(Digital_Access_Carrier_System).
• Pair_gain wikiPageWikiLink DSLAM.
• Pair_gain wikiPageWikiLink Dial-up.
• Pair_gain wikiPageWikiLink Dial-up_Internet_access.
• Pair_gain wikiPageWikiLink Digital_Access_Carrier_System.
• Pair_gain wikiPageWikiLink Digital_Subscriber_Line.
• Pair_gain wikiPageWikiLink Digital_loop_carrier.
• Pair_gain wikiPageWikiLink Digital_subscriber_line.
• Pair_gain wikiPageWikiLink Digital_subscriber_line_access_multiplexer.
• Pair_gain wikiPageWikiLink Enclosure_(electrical).
• Pair_gain wikiPageWikiLink Fax.
• Pair_gain wikiPageWikiLink Fax_machine.
• Pair_gain wikiPageWikiLink ISDN.
• Pair_gain wikiPageWikiLink Integrated_Services_Digital_Network.
• Pair_gain wikiPageWikiLink Internet_access.
• Pair_gain wikiPageWikiLink Local_loop.
• Pair_gain wikiPageWikiLink Modem.
• Pair_gain wikiPageWikiLink Multiplexer.
• Pair_gain wikiPageWikiLink Party_line_(telephony).
• Pair_gain wikiPageWikiLink Plain_Old_Telephone_Service.
• Pair_gain wikiPageWikiLink Plain_old_telephone_service.
• Pair_gain wikiPageWikiLink Refrigerator.
• Pair_gain wikiPageWikiLink Remote_concentrator.
• Pair_gain wikiPageWikiLink Serving_area_interface.
• Pair_gain wikiPageWikiLink Subscriber_Loop_Carrier.
• Pair_gain wikiPageWikiLink Subscriber_line.
• Pair_gain wikiPageWikiLink Subscriber_loop_carrier.
• Pair_gain wikiPageWikiLink Telephone.
• Pair_gain wikiPageWikiLink Telephone_exchange.
• Pair_gain wikiPageWikiLink Telephony.
• Pair_gain wikiPageWikiLink Time_division_multiple_access.
• Pair_gain wikiPageWikiLink Twisted_pair.
• Pair_gain wikiPageWikiLink United_Kingdom.
• Pair_gain wikiPageWikiLinkText "Pair gain".
• Pair_gain wikiPageWikiLinkText "pair gain".
• Pair_gain wikiPageWikiLinkText "subscriber carrier".
• Pair_gain hasPhotoCollection Pair_gain.
• Pair_gain wikiPageUsesTemplate Template:Refimprove.
• Pair_gain wikiPageUsesTemplate Template:Reflist.
• Pair_gain wikiPageUsesTemplate Template:Telephony-stub.
• Pair_gain subject Category:Local_loop.
• Pair_gain subject Category:Multiplexing.
• Pair_gain hypernym Method.
• Pair_gain type Article.
• Pair_gain type Software.
• Pair_gain type Article.
• Pair_gain type Circuit.
• Pair_gain type Protocol.
• Pair_gain comment "In telephony, pair gain is a method of transmitting multiple POTS signals over the twisted pairs traditionally used for a single traditional subscriber line in telephone systems. Pair gain has the effect of creating additional subscriber lines. This is typically used as an expedient way to solve subscriber line shortage problems by using existing wiring, instead of installing new wires from the central office to the customer premises.".
• Pair_gain label "Pair gain".
• Pair_gain sameAs m.036qqf.
• Pair_gain sameAs Q7125121.
• Pair_gain sameAs Q7125121.
• Pair_gain wasDerivedFrom Pair_gain?oldid=682022329.
• Pair_gain isPrimaryTopicOf Pair_gain.