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→FASTBUS: +<ref>{{cite web |last1=Barsotti |first1=Edward J. |title="FASTBUS" - A DESCRIPTION, A STATUS REPORT, AND A SUMMARY OF ONGOING PROJECTS |url=https://inis.iaea.org/collection/NCLCollectionStore/_Public/13/651/13651016.pdf |publisher=FNAL |accessdate=22 August 2018 | |
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=== FASTBUS ===
[[FASTBUS]]<ref name="FNAL intro to Fastbus">{{cite web|title=AN INTRODUCTION TO FASTBUS|url=http://www-esd.fnal.gov/esd/catalog/intro/introfb.htm|publisher=FNAL|accessdate=21 September 2013|deadurl=yes|archiveurl=https://web.archive.org/web/20130923010620/http://www-esd.fnal.gov/esd/catalog/intro/introfb.htm|archivedate=23 September 2013|df=}}</ref> is a crate/module standard developed later than the other two for high-speed parallel data acquisition<ref>{{cite web |last1=Barsotti |first1=Edward J. |title="FASTBUS" - A DESCRIPTION, A STATUS REPORT, AND A SUMMARY OF ONGOING PROJECTS |url=https://inis.iaea.org/collection/NCLCollectionStore/_Public/13/651/13651016.pdf |publisher=FNAL |accessdate=22 August 2018 |date=1981}}</ref>. Rather than individual components, FASTBUS modules tend to be data acquisition modules with many input connectors on the front, while the stored data is read out on the backplane. The connectors on the back of a FASTBUS module are two parallel pin sockets on the module and pins sticking out of the backplane. The main connector in a FASTBUS crate covers about the bottom 2/3 of the module. There is also an upper connector that consists of pass-through pins to the back side of the backplane; this allows custom modules to be plugged in there.
FASTBUS modules are much taller than the other types of crate modules, so the crates are correspondingly taller.
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