APC SGI 15000 RAID - Manual (Page 12)

Preface
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• The electrical distribution system must provide a reliable earth ground for each unit and the rack.
• Each power supply in each unit has an earth leakage current of 1.5mA. The design of the electrical
distribution system must take into consideration the total earth leakage current from all the power
supplies in all the units.
Cover Label
ESD Precautions
Caution It is recommended that you fit and check a suitable anti-static wrist or ankle strap and observe all
conventional ESD precautions when handling plug-in modules and components. Avoid contact with
backplane components and module connectors, etc.
Data Security
• Power down your host computer and all attached peripheral devices before beginning installation.
• Each enclosure contains up to 60 removable disk drive modules. Disk units are fragile. Handle them
with care, and keep them away from strong magnetic fields.
• All the supplied plug-in modules and blanking plates must be in place for the air to flow correctly
around the enclosure and also to complete the internal circuitry.