Access Easy Controller System Layout | en 13Bosch Security Systems Hardware Manual Ver 2.0.0 | 2006.073.2 Two Controller SystemsUL & FCC VersionSystem TypeMax. ReadersMax. InputsMax. OutputsAccess Easy ControllerAEC 4W UPS 2 /AEC 8W UPS 24-reader boardAEC 4W EXT8-Input/8-Output CardAEC 8I8O EXTConverter CardAEC SER EXTAccess Easy ExtensionAEC EXT UPS 2System C 12 0 0 1 2 - 1 1System D 16 0 0 1 3 - 1 1System F 8 8 8 1 1 1 1 1System G 12 8 8 1 2 1 1 1System H 16 8 8 1 3 1 1 1System I 4 16 16 1 - 2 1 1System J 8 16 16 1 1 2 1 1System K 8 16 16 1 1 2 1 1System M 8 24 24 1 1 3 1 1System N 8 24 24 1 1 3 1 1System Q 4 32 32 1 - 4 1 1