Supermicro 4020A-8R, User Manual

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A+ Server 4020A-8R User's Manual
Choosing a Setup Location
- Leave enough clearance in front of the system to enable you to open the front
door completely (~25 inches).
- Leave approximately 30 inches of clearance in the back of the system to allow for
suffi cient airfl ow and ease in servicing.
- This product is for installation in a Restricted Access Location only (dedicated
equipment rooms, service closets, etc.)
Rack Precautions
- Ensure that the leveling jacks on the bottom of the rack are fully extended to the
fl oor 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 from the
rack.
- You should extend only one component at a time - extending two or more simul-
taneously 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 fi rst, 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.
! !
Warnings and Precautions!