Zte ZXA10 C300 - Appendix C Lightning Proof Network; Lightning Requirements; Lightning Design; Table C-1 Lightning Protection Level

AppendixC
LightningProofNetwork
TableofContents
ŸLightningRequirements..........................................................................................C-1
ŸLightningDesign.....................................................................................................
C-1
ŸLightningProtectionGroundinginCentralOfce.....................................................C-2
ŸLightningProtectionGroundinginRemoteOfce....................................................C-2
C.1LightningRequirements
TableC-1liststhelightningprotectionlevelsofthepowerinputandsignal(Ethernet
interface)input/outputoftheaccessnetworkdevice.
TableC-1LightningProtectionLevel
LightningProtectionPortParameters
Cable–Ground:1kVDCpower(1.2/50μs) DCpower
Cable–Cable:1kV(1.2/50μs)
Ethernetinterface1kV(1.2/50μs)
ThelightningprotectionleveloftheequipmentroomshouldbeLevelB.Thelightning
protectionleveloftheequipmentshouldbeLevelCandLevelD.TableC-2liststhelightning
protectiondeviceparametersatdifferentlevels.
TableC-2LightningProtectionDeviceParameters
LightningProtectionLevelParametersLightningProtectionCircuit
LevelB40kA(8/20μs)ACdistributionbox
LevelC20kA(8/20μs)DCdistributionbox
LevelD6000V(combinedwave)-48V
C.2LightningDesign
Thelightningprotectiondevicesoftheequipmentroommustconformtothelightning
protectionstandards.ThecableinletsoftheequipmentroommustbeequippedwithLevel
Blightningprotectiondevices.
C-1
SJ-20110909101511-005|2011-12-31(R1.1)ZTEProprietaryandCondential