价格:未填
供应:99999
发货:3天内
符合中国信息产业部YD/T1187-2006标准GeneralconditionsSplitterbandwidthDCto17.3kHzNominalvoiceband300Hzto3.4kHzBillingtone12/16kHz 1%Ringingfrequency25Hzto50HzADSLband25kHzto2208kHzLineImpedanceZreal(1)200Hzto4kHz600ohmsCOimpedanceZTc200Hzto4kHz600ohmsRTimpedanceZTr200Hzto4kHz600ohmsModemimpedance32kHzto2208kHz100ohmsOperationvoltagevoicebandNominalsignal21mVp-pto5.4Vp-pBillingtone10Vp-pto30.2Vp-pRingingsignal100VrmsDCvoltage100VMax.ACvoltage100Vrmswith100VDCoffsetMax.differential250VOperationcurrentvoicebandDCLoopcurrent 100mADCrequirementsDCresistanceThesumofA-wireandB-wireresistancesfromtheLINEtotheTELEport;term=0 25ohmsIsolationresistance,branch-earth100VDC;term= 20MohmsIsolationresistance,branch-branch100VDC;term= 5MohmsVoicebandrequirementsInsertionloss(Zreal(1))@1kHz 0.3dBSplitterparameterElectricalrequirementsRangeValuesInsertionlossdistortion(Zreal(1))200Hzto4kHz(relativeto1kHz) 1dBReturnlossatTELEport(Zreal(1))300Hzto500Hz 14dB500Hzto2000Hz 18dB2000Hzto3400Hz 14dBUnbalanceaboutearth(LCL TCL)(Zreal(1))200Hzto1kHz 58dB1kHzto3kHz 53dBGroupdelaydistortion(Zreal(1))200Hzto600Hz 250usec600Hzto3.2kHz 200usec3.2kHzto4kHz 250usecIntermodulationdistortionproducts 60dBFrequenciesandlevelsforpulsemetering(in200 )12/16kHz 1% 5dBADSLbandrequirementsStopbandattenuation(Zreal(1) ZRHF)30kHzto138kHz 45dBStopbandattenuation(Zreal(1) ZRHF)138kHzto2208kHz 55dBInputimpedance(loadingofADSLsignalpath)32kHzto2208kHz 0.25dB此款分离器专出口到印度，巴基斯坦等国家。具有防雷功能。内包装 外包装