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Fujitsu M10 Series User Manual

Fujitsu M10 Series
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C120-H007-08EN vii
Contents
4.5.3 Installing temperature/humidity sensors . . . . . . . . . . . . . . . . . . . . . . . 54
4.5.4 Taking in fresh air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.5.5 Preventing dew condensation in underfloor ventilation . . . . . . . . . . . 55
4.5.6 Preventing water leaks and installing detectors . . . . . . . . . . . . . . . . . 56
4.5.7 Installing a backup unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.5.8 Preventing freezing of cooling water . . . . . . . . . . . . . . . . . . . . . . . . . 57
CHAPTER 5 Electromagnetic Environment and Static Electricity. . . . . . . . . 59
5.1 Magnetic Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
5.1.1 Allowable magnetic field intensities of displays . . . . . . . . . . . . . . . . . 59
5.1.2 Sources of magnetic fields and fault symptoms . . . . . . . . . . . . . . . . . 60
5.1.3 Magnetic field control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5.2 Electric Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5.2.1 Allowable electric field intensities for server systems . . . . . . . . . . . . 62
5.2.2 Conditions for using mobile phones . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5.3 Static Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
5.3.1 Recommended electrostatic voltage for a computer room . . . . . . . . 63
5.3.2 Electrostatic control in the computer room . . . . . . . . . . . . . . . . . . . . . 63
CHAPTER 6 Power Supply Facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.1 Input Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.1.1 Input power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.1.2 Calculating the power required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.1.3 Calculating the rush current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.2 Power Supply Facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
6.2.1 Kinds and uses of power supply facilities . . . . . . . . . . . . . . . . . . . . . . 67
6.2.2 Selecting power supply facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
6.3 UPS Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
6.4 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
6.4.1 Grounding equipment in the computer room . . . . . . . . . . . . . . . . . . . 77
6.4.2 Grounding other equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6.4.3 Grounding LAN devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.4.4 Grounding-plate method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
6.5 Distribution Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
6.5.1 Distribution panel location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
6.5.2 Distribution panel breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
6.5.3 Distribution panel structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
6.6 Distribution Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
6.6.1 Induced noise control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
6.7 Share of Responsibility for Construction in a Computer Room . . . . . . . . . . . 88
6.8 Distribution Line Insulation Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Table of Contents

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Fujitsu M10 Series Specifications

General IconGeneral
BrandFujitsu
ModelM10 Series
CategoryServer
LanguageEnglish

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