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C120-H007-08EN xi

Contents

Tables

Table 2.1 Ceiling heights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 2.2 Raised floor heights of free-access floors . . . . . . . . . . . . . . . . . . . . . . . 18

Table 2.3 Strengths and surface materials of free-access floor panels . . . . . . 19

Table 3.1 Kinds, uses, and locations of power supply facilities . . . . . . . . . . . . . 30

Table 4.1 Recommended temperatures and humidities for computer rooms . 40

Table 4.2 Temperature and humidity recommendations (changing the room

temperature)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Table 4.3 Temperature and humidity recommendations (lowering the underfloor

temperature)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Table 4.4 Tolerable limits for corrosive gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 4.5 Sources of overload and amount of heat dissipation . . . . . . . . . . . . . 45

Table 4.6 Examples of typical air conditioner cooling capacity calculations . . 47

Table 4.7 Examples of underfloor-ventilation air conditioner cooling capacity

calculations

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 4.8 Convenient formulas for air conditioner capacity. . . . . . . . . . . . . . . . . 50

Table 5.1 Sources of magnetic fields and fault symptoms. . . . . . . . . . . . . . . . . . 60

Table 6.1 Input power requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Table 6.2 Types of available power supply facilities and usage . . . . . . . . . . . . . 67

Table 6.3 Transformers for 200 V server systems. . . . . . . . . . . . . . . . . . . . . . . . . 70

Table 6.4 Transformers dedicated to 400 V server systems. . . . . . . . . . . . . . . . 71

Table 6.5 Specification of the grounding trunk cable for server systems

(in the buildings complying to the IEC standards)

. . . . . . . . . . . . . . . 78

Table 6.6 Requirements for other equipment grounding facilities . . . . . . . . . . . 79

Table 6.7 Details of the separation of the LAN transmission line signal

ground (SG)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Table 6.8 Output terminal board dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Table 7.1 Specification of power control box (F9710PW2) . . . . . . . . . . . . . . . . . 92

Table 7.2 Recommended surge absorber for external modem. . . . . . . . . . . . . . 94

Table 8.1 Characteristics of fire extinguishing agents . . . . . . . . . . . . . . . . . . . . . 99

Table A.1 Units-of-measure conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Table A.2 Fractions to decimal-equivalent conversion . . . . . . . . . . . . . . . . . . . . . 108

Fujitsu M10 Series User Manual

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