Zte ZXA10 C300 - Cabinet and Central Office; Outgoing;Incoming Cables From;To Central Office

ZXA10C300CabinetInstallationGuide(19Inch)
CableRequirements
Thecross-sectionalareaofSPDfordatacable
islargerthan2.5mm
2
.Thecableismulti-copper
wirewiththelengthlessthan1meter.
Thedistancebetweentheterminalofmodular
SPDforpowersupplyandthephaseline,andthe
zerolineshouldbelessthan0.5meter.
SPDfordatacableandothertypesofSPD
SPDgroundingcableshouldbelessthan1meter
anditshouldbegroundednearby.
DistributionframeprotectioncableMulti-copperwire(≥95mm
2
)
CabinetgroundingcableMulti-copperwire(≥35mm
2
)
GNDPMulti-coppercable(≥16mm
2
),dependingupon
themaximumfaultcurrent.
-48VGNDandGNDMulti-coppercable(≥10mm
2
)
220VprotectiongroundingMulti-coppercable(≥50mm
2
)
B.2CabinetandCentralOfce
Thegroundingrequirementsforcabinetandcentralofceareasfollows:
lThecabinetinthecentralofcemustbeinsulated.
lThecentralofcemustbeatleast5metersawayfromthelightningprotectioncable
ofthebuilding.
B.3Outgoing/IncomingCablesfrom/toCentralOfce
Thegroundingrequirementsforoutgoing/incomingcablesfrom/tocentralofceareas
follows:
lThepowerandtelecommunicationcablesthatgooutoforcomeintothecentralofce
(station)mustbecoveredwithmetalsleevesormustbelaidinthemetaltubes.
lGroundthemetalsleeveormetaltubeinthecentralofce(station)orconnectthe
cablestothegroundingnetwork.Forbers,groundthemetalcomponentintheber
atthegroundterminal.
lLaytheincomingcablesundergroundatadepthofmorethan0.7meter.
lConnectallusercablestotheSPDondistributionframe.Then,connectthemtothe
telecommunicationequipment.
lForincomingcables,itisnotallowedtohaveidlepairs.Idlepairsoftheincoming
cablesmustbegrounded.Idlepairsofcablesforlocaltelephonymustbegrounded
ondistributionframe.
lForincomingPCMcables,addSPDattheterminal.Idlepairsmustbegrounded.
Groundthecover,commonwire,andthesleevesofthepowercablesnearby.
B-2
SJ-20110909101511-005|2011-12-31(R1.1)ZTEProprietaryandCondential