Zte ZXHN H389A - DSL Synchronization Failure; LAN Indicator Not On; FCC Statement

�WhatarereasonsforDSLsynchronizationfailure(alsoreferredaslink
downorlinkestablishmentfailure)?
IftheDSLsuddenlyfailstobesynchronized(linkdown)duringapplication,
usuallytheLinkindicatorontheZXHNH389AwillnotbeOn.Itissuggested
tocheckthefollowingstepsonebyone:
i.Firstcheckthequalityofincomingcablesandincomingcableconnectors.
ii.InstalltheZXHNH389Acorrectlybasedontheuserguidance.Minimize
thenumberoftaps.
iii.CheckwhetherthetelephonecablesandDSLareingoodconnectionor
whetherthetelephonecablesarenormal.
iv.TrytodisconnectthesplitteranddirectlyconnecttheZXHNH389Ato
theincomingusercableend.Ensuretheproblemisnotduetoimproper
installationorincominguserlinequality.IftheDSLcanbesynchronized
again,itmeansthatinstallationoftheincomingusersideisimproper.
Pleasereinstallitaccordingtotheuserguide.
v.IftheDSLstillfailstobesynchronizedwhentheZXHNH389Aiscon-
nectedtotheincomingusercableend,contacttheoperatorstocheck
whetheritisduetoexternallinefailureorZXHNH389Afailure.
vi.Ifthesplitterproblemisdetermined,calltheoperatorformaintenanceor
replacement.
vii.Iftheproblemisduetotheendofceequipmentfailure,calltheoperator
toconrmit.
viii.T oolongconnectioncablebetweenthesplitterandZXHNH389Amay
causepooranti-interferenceperformanceandsynchronizationdifculty.
Therefore,theconnectioncableshouldnotbetoolong.
�ThegreenLANindicatoronthefrontpanelisoffafterthedeviceis
poweredon.
�ThecorrespondingLANlinkisnotestablished.
�TheEthernetcableisnotcorrectlyconnectedtotheLANinterface.
�ThenetworkdeviceconnectedtotheLANinterfaceisnotpoweredon.
5FCCStatement
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClass
Bdigitaldevice,pursuanttopart15oftheFCCRules.Theselimitsarede-
signedtoprovidereasonableprotectionagainstharmfulinterferenceinares-
identialinstallation.Thisequipmentgenerates,usesandcanradiateradio