SUPERSERVER 6021H Manual Choosing a Setup Location the front door completely (~25 inches). - Leave approximately 30 inches of clearance in the back of the rack - Leave enough clearance in front of the rack to enable you to open to allow for sufficient airflow and ease in servicing. ! ! Warnings and Precautions! Rack Precautions extended to the floor with the full weight of the rack resting on them. - In single rack installation, stabilizers should be attached to the rack. - In multiple rack installations, the racks should be coupled together. - Always make sure the rack is stable before extending a component - Ensure that the leveling jacks on the bottom of the rack are fully from the rack.
- You should extend only one component at a time - extending two or more simultaneously may cause the rack to become unstable. Server Precautions - Review the electrical and general safety precautions in Chapter 4. - Determine the placement of each component in the rack before you install the rails. - Install the heaviest server components on the bottom of the rack first, and then work up. - Use a regulating uninterruptible power supply (UPS) to protect the server from power surges, voltage spikes and to keep your system operating in case of a power failure. - Allow the hot plug SCSI drives and power supply units to cool before touching them.
- Always keep the rack's front door and all panels and components on the servers closed when not servicing to maintain proper cooling. 2-2