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250ATM缩写表AAAAdministrativeAuthority管理权限AALATMAdaptationLayerATM适配层ABRAvailableBitRate有效比特率ACFAccessControlField访问控制字段ACMAddressCompleteMessage地址完全消息ACRAllowableCellRate允许信元速率ADPCMAdaptiveDifferentialPulseCodeModulation自适应差分脉冲编码调制ADSLAsymmetricalDigitalSubscriberLine不对称数字用户环路AESAATMend-systemaddressATM端系统地址AFIAuthorityFormatIdentifier权限和格式标志符AHFGATM—attachedHostFunctionalGroupATM--附加主机功能组AIMUXATMInverseMultiplexingATM反向复用AISAlarmIndicationSignal告警指示信号ALAlignment校准AMAATMMediaAdaptersATM媒体适配器AMIAlternateMarkInversion交替传号反转码AMIATMManagementInterfaceATM管理接口ANAccessNetwork接入网ANSIAmericanNationalStandardsInstitute美国国家标准协会APCAdjacentPointCode相邻点代码APCMAdaptivePulseCodeModulation自适应脉冲编码调制APIApplicationProgramInterface应用编程接口APPApplicationProgram应用编程APSAutomaticProtectionSwitching自动保护交换ARPAddressResolutionProtocol地址解析协议ASCIIAmericanStandardCodeforInformationInterchange美国信息交换标准码ASN.1AbstractSyntaxNotationOne抽象语句表示法1251ATAFATMTestAccessFunctionATM测试访问功能ATDAsynchronousTimeDivision异步时分复用ATDMAsynchronousTimeDivisionMultiplexing异步时分多路复用ATMAsynchronousTransferMode异步转移模式AUAdiministrativeUnit管理单元AUPTRAdiministrativeUnitpointer管理单元指针AUIAttachmentUnitInterface连接单元接口BBASBufferAllocationSize缓冲区分配容量BCOBBroadbandConnectionOrientedBearer面向承载业务的宽带连接BECMBackwardExplicitCongestionNotification后向显示拥塞通知BERBitErrorRate误码率BESBurstErrorSeconds突发错误BGPBorderGatewayProtocol边界网关协议B-ISUPBroadbandISDNUser’sPart宽带ISDN用户部分B-ICIBroadbandInter-CarrierInterface宽带互连接口BIPBitInterleavedParity比特交错奇偶检验B-ISDNBroadbandIntegratorServicesDigitalNetwork宽带综合业务数字网BISSIBroadbandInterSwitchingSystemInterface宽带互交换系统接口BISUPBroadbandIntegratorServicesDigitalNetworkUserPart宽带综合业务数字网用户部分BITSBuildingIntegratedTimingSupply综合大楼定时供给BMLBusinessManagementLayer商务管理层BNCBasicNetworkConnector基本网络连接器BOMBeginningOfMessage消息开始BPDUBridgeProtocolDataUnit网桥协议数据单元BRIBaseRateInterface基本速率接口BSNTBackwardSequenceNumber后向顺序号BSSBroadbandSwitchingSystem宽带交换系统252BTBurstTolerance突发容限B-TEBroadbandTerminalEquipment宽带终端设备BUSBroadcastandUnknownServer广播和未知地址服务器CCACConnectionAdmissionControl连接允许控制CASChannelAssociatedSignaling随路信令CATVCableTelevision电缆电视(有线电视)CBDSConnectionlessBroadbandDataService无连接宽带数据业务CBRConstantBitRate固定比特速率CCITTInternationalTelephoneandTelegraphConsultativeCommittee国际电话电报咨询委员会CCRCurrentCellRate当前信元速率CCSCommonChannelSignaling公共信道信令CDVCellDelayVariation信元时延变化CDVTCellDelayVarianceTolerance信元时延变化容限CEConnectionEndpoint连接端点CEIConnectionEndpointIdentifier连接端点标识CESCircuitEmulationService电路仿真业务CGICommonGatewayInterface通用网关接口CICongestionIndication拥塞指示CIPCarrierIdentificationParameter载波鉴定参数CIPOAClassicalIPOverATM典IPOACIRCommittedInformationRate承诺信息速率CLConnectionless无连接CLBContinuous-stateLeakyBucket连续状态漏桶算法CLNAPConnectionlessNetworkAccessProtocol无连接网络访问协议CLNIPConnectionlessNetworkInterfaceProtocol无连接网络接口协议CLPCellLossPriority信元丢失优先级CLRCellLossRatio信元丢失率253CLSConnectionlessservice无连接业务(无连接服务口)CMICodedMarkInversion编码传号反转码CMIPCommonManagementInformationProtocol公共管理信息协议CMISCommonManagementInformationServer公共管理信息服务CMOTCMIPOverTCP基于TCP的CMIPCMRCellMisinsertionRate信元错插率COConnectionOriented面向连接CO-IPXConnectionOrientedInternetworkPacketExchange面向连接的互连网分组交换COLLConnectionOrientedLinkLayer面向连接的链路层COMContinuationOfMessage消息继续CPCSCommonPartConvergenceSublayes公用部分会聚子层CPECustomerPremiseEquipment用户驻地设备CPICommonPartIndicator公共部分指示CPICommonPartIdentifier公共部分标志CPNCustomerPremiseNetwork用户驻地网络CRACellRateAdaptation信元速率适配CRCCyclicRedundancyCheck循环冗余校验码CRFConnectionRelatedFunction连接相关功能CRSCellRelayService信元中继业务CSConvergenceSublayer会聚子层CSIConvergenceSublayerIdentification会聚子层标识CSMA/CDCarrierSenseMultipleAccess/CollisionDetection载波监听多路访问/冲突检测CSUChannelServiceUnit通路服务单元CTConformanceTest致性测试CTDCellTransferDelay信元传输时延CTSClearToSend清除发送CUGClosedUserGroup封闭用户群254DDACSDigitalAccessandCross-ConnectSystem数字接入和交叉连接系统DARPADefenseAdvancedResearchProjectsAgency美国国防部高级研究工程中心DBCESDynamicBandwithCircuitEmulationService动态宽带电路仿真业务DBRDeterministicBitRate恒定比特率(确定比特率)DCCDataCountryCode数据国家码DCEDataCommunicationsEquipment数据通信设备DCSDigitalCross-connectSystem数字交叉连接系统DDNDigitalDataNetwork数字数据网DESDestinationEndStation目的端站DFADXIFrameAddress数据交换接口帧地址DFIDomainSpecificPartFormatIdentifier专用域部分格式标识符DLCIDataLinkConnectionIdentifier数据链路连接标识符DMIDifferentialModeInversion差分模式反转码DNSDomainNamingSystem域名系统DPCDestinationPointCode目的点编码DQDBDataLinkConnectionIdentifier数据链路连接标识符DSnDigitalStandardn(n=0,1,1C,2,and3)数字标准DSPDomainSpecificPart域具体部分DSRDataSetReady数据设置准备DSSDigitalSubscriberSignaling数字用户信令DSSDistributedSampleScrambling分布式采样扰码DTEDataTerminalEquipment数据终端设备DTLDictateTransferList指定传送表DTMDynamicsychronousTransferMode动态同步传递模式DTRDataTerminalReady数据终端准备好DWDMDenseWavelengthDivisionMultiplexing密集波分复用DXIDataExchangeInterface数据交换接口255EEEPROMElectricallyErasableProgrammableReadOnlyMemory电可擦可编程只读存储器EFCIExplicitForwardCongestionIndication显示前向拥塞指示EFIErrorFrameIndicator错误帧指示EGPExteriorGatewayProtocol外部网关协议EIAElectronicsIndustriesAssociation电子工业协会EISAExtendedIndustryStandardArchitecture扩展工业标准结构ELANEmulatedLocalAreaNetwork仿真局域网EMAEthernetMediaAdapter以太网媒体适配器EMIElectromagneticI