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- Submarine_branching_unit abstract "A submarine branching unit is a piece of equipment used in submarine telecommunications cable systems to allow the cable to split to serve more than one destination. For example, one branch might head for a cable landing point and others may continue.There are several methods by which the split can be effected, which can also depend on the type of cable system: Purely electrical systems (now almost obsolete) can be split either: by physically separating the signal cables so some go in one direction and some in another. This requires no additional power; or by using an add-drop multiplexer to direct the signals down one path or the other. The electrical equipment that acts as the add-drop multiplexer will need powering. Optical fibre cable systems can be split either: by physically separating the signal-carrying fibres so some go in one direction and some in another. This requires no additional power; or Converting the optically carried signals to electrical signals, using an add-drop multiplexer to divide and recombine the signals on the desired paths, the reconverting back to optically carried signals. This signal conversion and multiplexing equipment will require power; or Using a reconfigurable optical add-drop multiplexer to direct optical carrier frequencies down desired paths. The power requirements of optical multiplexing in this manner will be lower than the previous method.In both types of cable system, more than one technique can be used simultaneously.The conventional symbol used for a submarine branching unit in maps of cable routes is a small equilateral triangle with (usually) one vertex pointing towards the top of the map.".
- Submarine_branching_unit wikiPageExternalLink bu.pdf.
- Submarine_branching_unit wikiPageID "3970376".
- Submarine_branching_unit wikiPageLength "2071".
- Submarine_branching_unit wikiPageOutDegree "7".
- Submarine_branching_unit wikiPageRevisionID "586230154".
- Submarine_branching_unit wikiPageWikiLink Add-drop_multiplexer.
- Submarine_branching_unit wikiPageWikiLink Cable_landing_point.
- Submarine_branching_unit wikiPageWikiLink Category:Submarine_communications_cables.
- Submarine_branching_unit wikiPageWikiLink Equilateral_triangle.
- Submarine_branching_unit wikiPageWikiLink Festoon_cable.
- Submarine_branching_unit wikiPageWikiLink Reconfigurable_optical_add-drop_multiplexer.
- Submarine_branching_unit wikiPageWikiLink Submarine_communications_cable.
- Submarine_branching_unit wikiPageWikiLinkText "Branching units".
- Submarine_branching_unit wikiPageWikiLinkText "Submarine branching unit".
- Submarine_branching_unit wikiPageWikiLinkText "submarine branching unit".
- Submarine_branching_unit hasPhotoCollection Submarine_branching_unit.
- Submarine_branching_unit wikiPageUsesTemplate Template:Cite_web.
- Submarine_branching_unit subject Category:Submarine_communications_cables.
- Submarine_branching_unit hypernym Piece.
- Submarine_branching_unit type MusicalWork.
- Submarine_branching_unit type Communication.
- Submarine_branching_unit comment "A submarine branching unit is a piece of equipment used in submarine telecommunications cable systems to allow the cable to split to serve more than one destination.".
- Submarine_branching_unit label "Submarine branching unit".
- Submarine_branching_unit sameAs m.0b99r3.
- Submarine_branching_unit sameAs Q7631630.
- Submarine_branching_unit sameAs Q7631630.
- Submarine_branching_unit wasDerivedFrom Submarine_branching_unit?oldid=586230154.
- Submarine_branching_unit isPrimaryTopicOf Submarine_branching_unit.