Zte ZXA10 C300 - Remote Office Cabinet Grounding

AppendixAIndoorCabinetGroundingSystemConnection
lPowerdistributioncabinetgrounding
Connectthepowerdistributioncabinettothegroundingstake,whichisconnectedto
thegroundingnetworkthroughthegroundinginleadcable.
FigureA-2showscentralofcecabinetgrounding(Type2).
FigureA-2CentralOfceCabinetGrounding-Type2
A.2.2RemoteOfficeCabinetGrounding
Theprocessofconnectingtheremoteofcecabinettothegroundingnetworkisasfollows:
1.ConnecttheGND,GNDP ,-48VGND,cabinet,andthepowersupplysystemtothe
groundingcopperbarofthecabinet.Usemulti-copperwire(≥95mm
2
)toconnectthe
groundingcopperbartothegroundingstake.
2.Connectthedistributionframeprotectiongroundtothegroundingstake.
3.Ifthepowerdistributionpanelislocatedonthegroundingoor,directlyconnectthe
protectiongroundtothegroundingnetwork.
4.Ifthepowerdistributionpanelislocatedanywhereotherthanthegroundoor,connect
thecorrespondingprotectiongroundtothegroundingstake.
5.Connectthegroundingstaketothegroundingnetworkthroughthegroundinginlead
cable.
FigureA-3showsremoteofcecabinetgrounding.
A-3
SJ-20110909101511-005|2011-12-31(R1.1)ZTEProprietaryandCondential