技术词汇-数据通信和网络技术.doc

2B1Q2Binary,1Quaternary两个二进位的，一个四进位的AALATMAdaptationLayerATM适应层ADSLAsymmetricDigitalSubscriberLine非对称数字用户线路CDVCellDelayVariation信元延迟变更CLRCellLossRatio信元丢失比率IDLCIntegratedDigitalLoopCarrier综合数字环路载波AD-PCMAdaptiveDifferentialPulseCodeModulation适应微分-脉冲码调制AMAmplitudeModulation幅度调制AMIAlternateMarkInversion交替标记倒置ANAccessNode访问节点ANSIAmericanNationalStandardsInstitute美国国家标准协会APSAutomaticProtectionSwitching自动保护开关ARQAutomaticRepeatreQuest自动重复请求AT&TAmericanTelephone&Telegraph美国电话/电报ATMAsynchronousTransferMode异步传输模式ATUADSLTerminationUnitADSL终端单元AWGAmericanWireGauge美国线规BECNBackwardExplicitCongestionNotification反向显示拥塞通知BERBit-ErrorRate位误码率BHBusyHour高峰时BISDNBroadbandIntegratedServicesDigitalNetwork宽带综合业务数字网BOMBeginningOfMessage报头BRIBasicRateInterface基速接口CACConnectionAdmissionControl连接容许控制CADComputer-aidedDesign计算机辅助设计CAEComputer-aidedEngineering计算机辅助工程CAMComputer-aidedManufacturing计算机辅助制造CAPCarrierlessAmplitudeModulation无载波幅度调制CATVCableTelevisionorCommunityAntennaTelevision有线电视或公用天线电视CBDSConstantBitRateDataService不变比特率数据服务CBRContinuousBitRate,orConstantBitRate连续的比特率或不变的比特率CCITTConsultativeCommitteeonInternationalTelegraphandTelephone国际电话和电报咨询委员会CFMConfigurationManagement配置管理CIRCommittedInformationRateCLECCompetitiveLocalExchangeCarrier竞争的本地交换载波CLLMConsolidatedLink-LayerManagement统一链路层管理CLPCellLossPriority单元丢失优先权CMTConnectionManagement连接管理COCentralOffice中心局COICommunityofInterest公共的影响（利益）COMContinuationofMessage报文附加COMSATCommunicationsSatelliteCorporation通信卫星公司CPECustomerPremiseEquipment客户前提设备CPNCustomerPremisesNode客户前提节点CRCCyclicRedundancyCheck循环冗余校验CSconvergenceSublayer收敛子层CSUChannelServiceUnit信道服务单元DASDualAttachmentStations双附加配置工作站DBSDirectBroadcastSatellite直播卫星DCCDataCommunicationsChannels数据通信信道DCEDataCommunicationsEquipment数据通信设备DEDiscardEligibility丢弃合格DLCDigitalLoopCarrier数字环路载波DLCIData-LinkConnectionIdentifier数据链路连接鉴定DMTDiscreteMultitone离散的多频声DOJDepartmentOfJustice司法部DSLAMDSLAccessMultiplexerDSL访问多路复用器DSPDigitalSignalProcessor数字信令处理器DSUDataServiceUnit数据服务单元DTEDataTerminalEquip