DS2141A ， DS2143三通道分出和插入

摘要：应用笔记306实施三个通道的下降和插入应用程序使用的达拉斯半导体/马克西姆DS2141AT1成帧器或DS2143的E1成帧器提供了设计要求。

Maxim>AppNotes>COMMUNICATIONSCIRCUITSTELECOMKeywords:channel,dropandinsert,drop,insert,looped-timed,timeslot,idleregisters,T1,E1,framer,May04,2001controllerAPPLICATIONNOTE306DS2141A,DS2143ThreeChannelDropandInsertAbstract:ApplicationNote306providesthedesignrequirementsforimplementingathreechanneldropandinsertapplicationusingtheDallasSemiconductor/MaximDS2141AT1framerorDS2143E1framer.Notes:1.A"looped-timed"applicationisshown.2.Thisapplicationassumesthedroppedchannelsoccupythesametimeslotsastheinsertedchannels.3.TheidleregistersintheDS1241A/43/51/53canbeusedtofillunused(ifany)channels.4.Theusedchannelsdonotneedtobecontiguousnordotheyneedtob