ZXR108900SeriesHardwareInstallationManual
Aprotectivegroundingwireisledfromeachcabinettothejoint
coppergroundbar ,andconnectedtothecoppergroundbarinthe
equipmentroomthroughthegroundingbusofthejointcopper
groundbar .Thecrosssectionalareaofthecabinetgroundingwire
shouldbenolessthan16mm
2
.
Plug-inBoxProtectionGrounding
WireInstallation
OntherearpanelofZXR108900plug-inbox,thereisagrounding
screw,locatingbetweentheslotsoftowpowermodulesandindi-
catedbyamark.Whenconnectingyellowandgreenground-
ingwiresofplug-inbox,connectoneendofthewiretothescrew,
andconnecttheotherendofthewiretothegroundingofthecab-
inet.
InstallationNotice
Noticethefollowingitems:
ļæ½Groundingwireneedstoadoptcopperwiretoreducehighfre-
quencyimpedance.Thegroundingwireshallbewideandshort
aspossible.
ļæ½Earthterminalhastobeprocessedtoanticorrosionandrust.
Meanwhile,earthterminalshallbeīæxedbynut.
ļæ½Powersupplycable,earthingcableandsignalcablecannotbe
cablingparallellyorwoundtoreducedisturbing.
ļæ½Thegroundingmethodofmulti-cabinetcaneitherbeseparate
orcombined.Whencombinedmethodisused,thegrounding
wiresofcabinetsshouldbeīærmlyconnectedtoformanequipo-
tentialobject.
86ConīædentialandProprietaryInformationofZTECORPORATION
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