the elevator system , where part of the logic processor of evans had stayed , was proving to be faulty and was interacting with other domotic modules , local temperature at the center , the fountain patterns of the bellagio , lighting , electricity voltage fed to computers , and security access signals and items , such as a set of turnstiles which separated the office area of the center from the data infrastructure warehouse that was used to store information for customers of the center for symbolic affairs , clients such as the national security agency .