NEC EXPRESS800, Service Manual

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Contents iii
Contents Contents Contents Contents
Proprietary Notice
Using This Guide................................................................................................................... v
Text Conventions..................................................................................................................vi
Related Documents...............................................................................................................vi
Safety Notices......................................................................................................................vii
Safety Notices for Users Outside of the U.S.A. and Canada..........................................vii
Care and Handling..............................................................................................................viii
Planning Your Site ............................................................. 2-1
Equipment Location ...........................................................................................................2-2
Space Requirements ......................................................................................................2-2
Environmental Conditions.............................................................................................2-4
Floor Construction.........................................................................................................2-5
System Rack Placement......................................................................................................2-7
Air Conditioning.................................................................................................................2-9
Cooling Capacity...........................................................................................................2-9
Electrical Facilities ...........................................................................................................2-10
Uninterruptible Power Source (UPS) ..........................................................................2-10
Power Distribution Unit (PDU)...................................................................................2-10
Grounding Requirements..................................................................................................2-11
Planning Your System Rack Configuration ..................... 3-1
Cabling Constraints ............................................................................................................3-2
Cable Summary ..................................................................................................................3-2
RAID Cable Restrictions...............................................................................................3-3
Concentrator Cable Lengths..........................................................................................3-3
Vertical Spacing .................................................................................................................3-3
Configuration Guidelines ...................................................................................................3-6
Calculating Load and Determining UPS On-Battery Run Time .......................................3-8
Installing the System Rack................................................ 4-1
Introduction ........................................................................................................................4-2
What You Need.............................................................................................................4-2
Unpacking the System Rack and Components...................................................................4-3
Opening Front and Rear Doors .....................................................................................4-5
Removing Rack Side Panels..........................................................................................4-6
Leveling the System Rack ..................................................................................................4-7
Installing Rack Frame Link Kits ........................................................................................4-8
What You Need.............................................................................................................4-8
Attaching the Stabilizer to the System Rack ....................................................................4-10