Floorclearanceandcutoutdimensions ................... 32
Primaryrackdimensionsandcablecutoutlocation............ 32
Calculatingclearances........................ 33
Primary and second rack clearance dimensions and cutouts . . . . . . . . 37
Environmentalrequirements.......................... 40
Altitude ................................ 40
Airconditioning............................. 40
Temperature specifications ........................ 41
Humidity specifications.......................... 42
Mechanical vibration specifications..................... 43
Shock specifications ........................... 43
Heat dissipation, power consumption, and air flow .............. 44
Acoustics................................ 46
Dustandpollutioncontrol......................... 47
Metallicparticulatecontamination ..................... 47
Datacommrequirements ........................... 48
Electricalrequirements ............................ 49
Linevoltage............................... 49
Branchcircuitbreakers.......................... 49
Single-phasebranchcircuitbreakers .................. 49
Frequency ............................... 49
Safetyanddedicatedground ....................... 49
Groundingrequirements ......................... 50
ACconnections ............................. 50
Powerlinetransients ........................... 51
Protection against sources of electrical interference . . . . . . . . . . . . . . 51
Uninterruptiblepowersupply(UPS)....................... 52
3Electricalspecifications................. 53
AClinevoltagerequirements ......................... 53
ACinputs................................ 54
NorthAmericanACpowercabling....................... 56
Branchcircuitrequirements ........................ 56
EuropeanACpowercabling ......................... 57
Europeanbranchcircuitrequirements.................... 57
ConnectingtheEuropeanpower-supplycables................ 58
4Deliveryandunpacking ................ 59
Checkingforshippingshortageanddamage .................. 60
Unpackingtheequipment........................... 60
Requiredpersonnel ........................... 60
Requiredtools.............................. 60
Packaging configurations......................... 61
Unpackingprocess............................ 61
Safetyprecautions.......................... 62
Removingpackagingmaterials .................... 63
4