Artesyn Centellis 2000 Shelf - DC Installation and Use (June 2014) User Manual | Page 8 / 176 | Also for: Centellis 2000 DC-1.2 Installation and Use (May 2014), Centellis 2000 Shelf-AC Installation and Use (May 2014), Centellis 2000 Shelf Release 3.0 Installation and Use (May 2014), Centellis 2100 Release 3.0 Installation and Use (March 2015)