Chapter4Installation
àProtecteyesduringdrillingasdustoryingdebrismaydamageeyes.
àCleananydebrisintimeafterdrilling.
lLightning
Danger
Donotperformhigh-voltage,AC,irontowerormastoperationsinathunderstorm.
Thunderstormswouldgiverisetoastrongelectromagneticeldintheatmosphere.
Therefore,theequipmentmustbegroundedandprotectedintimeagainstlightning
strikes.
AntistaticSafetyInstructions
Electrostatic
Staticelectricityproducedbyhumanbodycandamagestatic-sensitivecomponentson
circuitboard,suchaslarge-scaleintegratedcircuits.
lFrictioncausedbyhumanbodyactivitiesistherootcauseofelectrostaticcharge
accumulation.Staticvoltagecarriedbyahumanbodyinadryenvironmentcanbe
upto30kV,andcanremainthereforalongtime.Anoperatorwithstaticelectricity
maydischargeelectricitythroughacomponentwhenhe/shetouchestheconductor
andcausingdamage.
lWearanantistaticwriststrap(theotherendofwriststrapmustbewellgrounded)
beforetouchingtheequipmentorholdingaplug-inboard,circuitboard,Integrated
Circuit(IC)chiporotherdevices,topreventhumanstaticelectricityfromdamaging
sensitivecomponents.
lTheantistaticwriststrapusedmustbesubjecttoregularcheck.Donotreplacethe
cableofanantistaticwriststrapwithanyothercables.
lDonotcontactstatic-sensitivemoduleswithanyobjectthateasilygeneratesstatic
electricity.Forexample,frictionofpackagebag,transferboxandtransferbeltmade
frominsulationplasticmaycausestaticelectricityoncomponents.Dischargeofstatic
electricitymaydamagecomponentswhentheycontactahumanbodyortheground.
lModulesshouldonlycontactmaterialssuchasanantistaticbag.Keepmodulesin
antistaticbagsduringstorageandtransportation.
lDischargestaticelectricityofthetestdevicebeforeuse,thatis,groundthetestdevice
rst.
lDonotplacethemodulenearastrongDCmagneticeld,suchasthecathode-ray
tubeofamonitor.Keepthemoduleatleast10cmaway.
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SJ-20101210110401-001|2010-12-06ZTEProprietaryandCondential