IDUN Housing11 IntroductionThis installation guide describes the features of the IDUR housing and tellsyou how to install the basic system components such as disk drives, systemboard, or expansion boards. Descriptive illustrations accompany theinstallation procedures.If you receive a complete system, the basiccomponents are already installed.2 Positioning the System Housing2.1 Standalone SystemFor a standalone system, rotate the legs outward to stabilize the housing.