文档介绍：老掉线的解决思路First,thelineproblemFirstofall,checkahomeline,seeifthehouseisconnected,hroughwhatinterferencesources,suchasairconditioning,refrigerators,television,etc・,andtrytomaintainacertaindistancewiththeseelectricalequipment・oreplacethecablewithstrongeranti-interferenceability・Makesurethelineisproperlyconnected・Thetelephonelineisconnectedtothejunctionboxafterenteringthehome,andthenseparatedtothevoiceseparator・akesthetelephoneandthefrontlinegoesMODEM(markedontheseparator)・Atthesametime,municationqualityisgood,notdisturbed,thereisnoconnectiontootherequipmentthatwillcauseinterferencetotheline・Checkwhetherthejunctionboxandthecrystalheadareinbadcontactandwhethertheyarewoundtogetherwithotherwires・Conditional,itisbesttousestandardtelephone1ine,PC,ADSL,Modemattachedtwistedpair・ess・Cablefromtheuserswithin100metersoftheradiotower,electricwelder,tramorhigh-voltagepowertransfonnersandothersignalinterferencesources,theusercanreceiveofflineclutter(coppercladsteelwireshieldingabilityisweak,thereceivedsignal),causedbystronginterferenceonthesubscriberline・Theinterferingsignalsareoftenunshielded,andtheofflinepartenters,,,thepowerlinecannotbeconnectedwiththeADSLlineinparalleltopreventcrosstalkandcaus