HP Superdome SX2000 Generic Site Preparation Guide, Fourth Edition - Page 3

Table of Contents 1 General Site Preparation Guidelines 7 Electrical Factors...7 Synopsis...7 AC Electrical Distribution System 7 AC Power Quality Devices...7 UPS Recommendations...8 Power Consumption...8 Grounding Systems...8 Comprehensive Discussion...9 Computer Room Safety...9 Fire Protection...9 Fire Suppression...10 Lighting Requirements for Equipment Servicing 10 Cabinet Recommendations...10 Working Space for Server Access 10 Power Consumption...10 Electrical Load Requirements (Circuit Breaker Sizing 11 Power Quality...11 Sources of Voltage Fluctuations 11 Power System Protection...11 Distribution Hardware...12 Wire Selection...12 Raceway Systems (Electrical Conduits) (LAHJ 12 Building Distribution...12 Grounding Systems...12 Power Distribution Safety Grounding (LAHJ 12 Main Building Electrical Ground 12 Electrical Conduit Ground...13 Power Panel Ground...13 Computer Safety Ground...13 Dual Power Source Grounding 13 Cabinet Performance Grounding (High-Frequency Intercabinet Ground 13 Raised Floor "High-Frequency Noise" Grounding 13 Equipment Grounding Implementation Details 14 System Installation Guidelines...15 Wiring Connections...15 Data Communications Cables...15 Environmental Elements...15 Synopsis...15 Air Quality...15 Airflow...16 Equipment Orientation...16 Electrostatic Discharge (ESD): Source of Greatest Failure Rate Without Detection 17 Cellular Telephone and Wireless Usage 17 Comprehensive Discussion...17 Computer Room Preparation...17 Airflow...18 Row Orientation...18 Dust and Pollution Control...18 Metallic Particulate Contamination 19 Cooling Requirements...20 Table of Contents 3