Advanced Telecommunications Computing Architecture: Difference between revisions

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'''Advanced Telecommunications Computing Architecture'''<ref>PICMG. "Reference". PICMG 3.0 Revision 2.0 AdvancedTCA Base Specification. http://www.picmg.org</ref> (ATCA or AdvancedTCA) is the largest specification effort in the history of the [[PICMG|PCI Industrial Computer Manufacturers Group (PICMG)]], with more than 100 companies participating. Known as AdvancedTCA, the official specification designation PICMG 3.''x'' (see below) was ratified by the PICMG organization in December 2002.<ref>Pavlat, Joe. "AdvancedTCA turns 10". CompactPCI and AdvancedTCA Systems Vol. 15, Issue 5. OpenSystems Media: 2011. http://advancedtca-systems.com/advancedtca-turns-10/</ref> AdvancedTCA is targeted primarily to requirements for "carrier grade" communications equipment, but has recently expanded its reach into more ruggedized applications geared toward the military/aerospace industries as well.<ref>McDevitt, Joe. "PICMG to Expand Market and Applications for AdvancedTCA". PICMG - Resources. [http://www.picmg.org/v2internal/resourcepage2.cfm?id=2]</ref> This series of specifications incorporates the latest trends in high speed interconnect technologies, next-generation processors, and improved [[Reliability, availability and serviceability (computer hardware)|Reliability, Availability and Serviceability]] (RAS).

== Mechanical specificatispecifications ==

[[File:Pentair 12U 14-slot ATCA shelf.jpg|thumb|right|12U 14-slot AdvancedTCA shelf]]

An AdvancedTCA board (blade) is 280&nbsp;mm deep and 322&nbsp;mm high. The boards have a metal front panel and a metal cover on the bottom of the [[printed circuit board]] to limit [[electromagnetic interference]] and to limit the spread of fire. The locking injector-ejector handle (lever) actuates a microswitch to let the Intelligent Platform Management Controller (IPMC) know that an operator wants to remove a board, or that the board has just been installed, thus activating the hot-swap procedure. AdvancedTCA boards support the use of [[PCI Mezzanine Card]] (PMC) or [[Advanced Mezzanine Card]] (AMC) expansion mezzanines.