Zte ZXA10 C300 - Power Supply Check

Chapter2Pre-InstallationPreparation
ParameterDescription
IlluminationlDonotexposetheequipmentroomtodirectsunshine,to
preventthecircuitboardsandothercomponentsfromagingand
deformingduetolong-timeexposuretothesunshine.
lAverageilluminationis150lx-200lx.Noglare.Normally,the
uorescencelampsembeddedintheceilingareused.
lUseemergencylightsintheequipmentroom.
Atmospherepressure70kPa–106kPa
AirpollutionDonotexposetheequipmenttocorrosivegases(suchasH
2
S,SO
2
,
oxidesofSO
2
andammonia),smogoroilsolvents.Nosmokingin
theequipmentroom.
2.4.3PowerSupplyCheck
Thistopicdescribesthepowersupplyrequirementsandpowercablelayout.
PowerSupplyRequirements
TheB6030-22C-IB/B6030-22C-EB/B6060-22Fcabinetuses–48VDCpowersupply.The
voltageisfrom-57VDCto-41VDC.TheDCpowersupplymustprovidepower-OFF
protectionmeasuresandshouldbeconguredwithstoragebatteriesforbackup.
PowerCableLayout
Powercablelayoutmustmeetthefollowingrequirements:
lThecablingroutes,quantity,andpositionshouldbecompliantwiththegeneral
regulationsoftelecommunicationprojects.Thespecicationsofthelineconductor,
insulationstrength,andfusecapacitymustmeetthedesignrequirements.
lThepowercablemustbeone-piececablewithoutanyjoints.
lPositiveandnegativepolaritiesoftheDCpowerdistributionbox,busbar,andpower
cablemustbearclearmarks.Theworkinggroundwireendmustbeblack.The
negativepolarityendmustbeblue.Theprotectionearthendmustbeyellowand
green.
Caution!
Thepowercablesshouldbeclearlyseparatedfromthesignallinesandsubscriberlines.
Intheprocessoflayingoutthepowercables,makesurethatthefeedcablesandbusbar
meetthemedium-termorlong-termexpansiondemands.
2-5
SJ-20110909101511-005|2011-12-31(R1.1)ZTEProprietaryandCondential