User`s guide

2-2
NovaScale R422-E2/R422-INF-E2 Installation and User's Guide
This product is for installation only in a Restricted Access Location (dedicated •
equipment rooms, service closets and the like).
This product is not suitable for use with visual display work place devices •
according to §2 of the the German Ordinance for Work with Visual Display
Units.
Rack Precautions
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Warnings and Precautions!
Ensure that the leveling jacks on the bottom of the rack are fully extended to •
the 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 •
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 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 SATA drives and power supply modules to cool before •
touching them.