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12ScopeThepresentdocumentcoverstheEMCrequirementsfornon-radioequipmentintendedtobeusedwithinapublictelecommunicationsnetwork.通訊網路的定義:只要會接到電信公司線路的設備,像是電話,傳真機,Modem,xDSLrouter,....都是使用此規範.一般的區域網路(LAN)設備則不包括在其中.3一,产品分类(四类)Switchingequipment.(交换机)Non-radiotransmissionequipmentandancillaryequipment.(传输产品)Powersupplyequipment(用于通讯设备)Supervisoryequipment(监视控制设备)41,Switchingequipment.(交换机)I.InternationalswitchesII.NetworkserversandgatewaysIII.Telexswitches52,Non-radiotransmissionequipmentandancillaryequipment.(传输产品)I.DigitalCrossConnectsystemsII.NetworkterminationsIII.TransmissionequipmentusedintheaccessnetworklikeXDSL.(xDigitalSubscriberLine)63,Powersupplyequipment(用于通讯设备)I.EndofsuitepowersuppliesII.StabilizedACpowersuppliesIII.Otherdedicatedtelecommunicationnetworkpowersupplies74,Supervisoryequipment(监视控制设备)I.NetworkmanagementequipmentII.OperatoraccessmaintenanceequipmentIII.Trafficmeasurementsystems8以上四种分类法规中有不同的1,Testconfiguration2,Operationalconditions3,Specificimmunityperformancecriteria也就是他们的摆设,SET-UP和判断等级都有各自要求.9二,测试时间和成本費用部份:一般會比EN55022/2420%~40%時間部份:與EN55022/24多10%~20%(對通訊介面,會測ISN模式就多)之所以与22/24相比较,是因为EN30086的法规很大部分是参考22/24.10資訊類產品EN55022(EMI),EN55024(EMS),EN60950(LVD)通訊類產品EN300386(EMI&EMS),EN60950(LVD)有产品要做13/20也要做22/24双法规,请问有没有产品做22/24加300386呢?THEANSWERISNO.11三,300386的特点及差异1,其于22/24差異如下紅色部份標示(截图说明)2,產品有分放在機房或非機房如绿色标示(截图说明)3,對DCPort明文規定要進行測試12Comparewith22/24131415161718Compareoperatingintelecommunicationcentreswithoperatinginlocationsother1920212223OtherTips:一般说来在非电信机房的测试要求比电信机房要高CableModem由於使用電視網路進行通訊,除了本法規之外,尚須依照AnnexC的要求加做符合EN50083-2有關電視影像聲音干擾與耐受性方面的測試.xDSL產品有人工耳測試要求242526272829
本文标题:EN300386
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