Zte ZXSDR R8978 - 5.3 Replacing the AC Power Lighting Protection Box

ZXSDRR8978UserManual
NameDescription
-48VDC-48VDCneutralline
-48VDCRTN-48VDCearthline
PEProtectivegroundingcable
5.3ReplacingtheACPowerLightingProtectionBox
IftheACpowerlightingprotectionboxhasanabnormaloutputbuttheinputisnormal,it
hassomefaultsandshouldbereplacedimmediately.
Prerequisite
lVerifythehardwaretypeofthefaultyACpowerlightingprotectionbox.Preparea
properACpowerlightingprotectionbox.ThespecicationsoftheproperACpower
lightingprotectionboxmustbeconsistentwiththefaultyone.
lPreparethefollowingtools.
ToolFunction
WrenchInstallsoruninstallstheoutdoorACpowerlightingprotection
boxfromapole
M4Inner-hexagonwrenchInstallsoruninstallsthepole-mountedinstallationassemblies,
orfastenstheanti-theftscrews
M6crossscrewdriverInstallsoruninstallsthemountingplateandcablesofthe
outdoorACpowerlightingprotectionbox
WaterprooftapeProvideswaterproofprotectionforthecableconnectors
StickerMarkstheconnectionofthecablestobereplaced(afterthe
replacement,allthecablesmustbereconnectedtotheplace
wheretheywere)
Moistureproofantistaticbag
andcarton
StoresthefaultyACpowerlightingprotectionbox
Steps
1.PowerofftheZXSDRR8978.
2.Removethewaterprooftapefromthecables.UninstallthecablesoftheACpower
lightingprotectionboxbyusingtheM6screwdriver
3.Uninstalltheanti-theftscrewsbyusingtheM4Inner-hexagonwrench,anduninstall
themountingplatebyusingtheM6crossscrewdriver.TaketheACpowerlighting
protectionboxdownfromthepole.
5-6
SJ-20140808143736-001|2014-10-30(R1.1)ZTEProprietaryandCondential