1、DECT:Digital Enhanced Cordless Telecommunication增强数字无绳通讯DFB:Distributed Feedback 分布反馈DID:Direct Inward Dialing 直接中继方式，呼入直拨到分机用户DLC:Data Link Control Layer 数据链路层DLI:DECT Line Interface DODI:Direct Outward Dialing One 一次拨号音DPH:DECT Phone DRC:Directional Response Cahracteristics 指向性响应DS:Direct Sound 直正
2、声DSP:Digital signal Processing 数字信号处理DSS：Deiision Support System 决策支持系统DTMF:Dual Tone Multi-Frequency 双音多频DTS:Dual -Technology Sensor 双鉴传感器DWDM:Dense Wave-length Division Multiplexing 密集波分复用DXC:Digital Cross-Connect 数字交叉连接E:Emergency lighting照明设备E:Equalizer 均衡器E:Expander 扩展器EA-DFB:Electricity Absorb
3、-Distributed Feedback 电吸收分布反馈ECC:Embedded Control Channel 嵌入或控制通道EDFA:Erbium-Doped Fiber Amplifier掺饵光纤放大器EDI:Electronic Data Interexchange 电子数据交换EIC:Electrical Impedance Characteristics 电阻抗特性EMC：Electro Magnetic Compatibiloty 电磁兼容性EMI:Electro Magnetic Interference 电磁干扰EMS:Electromagnetic Sensitibili
4、ty 电磁敏感性EN:Equivalent Noise 等效噪声EP:Emergency Power 应急电源ES:Emergency Sooket 应急插座ES:Evacuation Sigvial疏散照明 ESA:Error SecondA 误码秒类型ESB:ErrorSecondB 误码秒类型ESD:Electrostatic Discharge静电放电ESR:Errored Second Ratio 误码秒比率ETDM:Electrical Time Division Multiplexing电时分复用ETSI:European Telecommunication Standards
5、Institute欧洲电信标准协会 F:Filter 滤波器FAB:Fire Alarm Bell 火警警铃FACU:Fire Alarm Contrlol Unit 火灾自动报警控制装置FC:Failure Count 失效次数FC:Frequency Converter 频率变换器FCC:Fire Alarm System 火灾报警系统FCS:Field Control System 现场总线FCU：Favn Coil Unit 风机盘管FD:Fire Door 防火门FD:Flame Detector 火焰探测器FD:Floor DistributorFD:Frequency Dirsd
6、er 分频器FDD:Frequency Division Dual 频分 双工FDDI：Fiberdistributed Data Interface 光纤缆分布式数据接口。FDDIF:Fiber Distributed Data Inferface光缆分布数据接口 FDMA:Frequency Division Multiple Access频分多址FE:Fire Extirguisher 消防电梯FEBE:Far End Block Error远端块误码FEXT:Far End Crosstalk 远端串扰FFES:Foam Fire Extionuishing System泡沫灭火系统
7、FH:Fire hydrant 消火栓FI:Fee Indicator 费用显示器FL:Focal Length 焦距FL:Fuzzy Logic 模糊逻辑FM:Faiilt Management失效管理FPA:Fire Public Address 火灾事故广播FPD:Fire Public Derice 消防设施FR:Frequency Response 频响FRD:Fire Resis tamt Damper 防火阀FRS:fire resistant shutter 防火卷帘FSK:Frequency Shift Keying移频键控 FSU:Fixed Subscriber Unit
8、单用户固定台FTHD:Fixed temperatute Heat Detector 定温控测器FTP:Foil Tnisted Pair金属箔双绞电缆FTTB:Fiber To The Building 光纤到大楼FTTC:Fiber To The Curb光纤到路边FTTH:Fiber To The Home 光纤到家庭FW:fire Wall 防火墙FWHM:Full Width Half Maximum 脉冲的半高宽度PACR：Attonuation to Crosstalk Ratio 衰减与串扰比 GAP:Gaussian (filtered)Frequency Shift Key
9、ing 高斯滤波频移键控GBS:Glass Break Sensors 玻璃破碎传感器 GC:Generic Cabling 综合布线GIB:Generic Information Block 通用信息模块GNE:Gateway Network Element网关GSM:Global System for Mobile communications全球移动通信系统H:Hybrid 混合式 HCBS:High C Bus Servers Unit 高速 C总线服务单元HCS:Higher order Connection Supervision高阶连接监视HD：Heat Detecter 感温探
10、测器HDB3:High Density Bipolar of order 3code 高密度双极性码HDLC:High Data Link Control 高级数据链路控制HDLC:High Digital Link Control 高级数据链路控制HDSL:High-bit -rate Digital Subscriber Link 高比特数字用户链路HDTV:High Definition Television 高清淅度电视HEC:Header Ervor Control:信头差错控制域HEMS:High -level Entity Management system高级实体管理系统 HF
11、C:Hybrid fiber coax 光纤-同轴电缆混合系统HGRP:Home Optical Network 华为公司专用协议HIFI:High Fidelity 高保真度HIPPI:High Performance Parrallel Interface高性能并行接口HMP:Host monitoring protocol 宿主机监视协议HOA:High Order Assembler高阶组装器HOAPID:High Order Path Access Point Identifier高阶通道接入不敷出点标识符HOI:High Order Interface高阶接口HONET:Home
12、Optical Network 华为综合业务接入网商标HO-TCM:High Order Tandem Connection Monitor高阶通道串联连接监控HOVC:High Order Virtual Container 虚容器HPA:High order path Adaptation高阶适配HPC:High order path Connection高阶通道连接HPOM:High -order Path Overhead Monitor高阶通道开销监视器HPP:High -order path Protection高阶通道保护HP-RDI:Higher order path -Rem
13、ote Defect Indication高阶通道接收缺陷指示HP-REI:Higher order Path-Remote ErrorIndication高阶通道远端错误指示HPT:High order path Termination高阶通道终端HRDS:Hypothetical Reference Digital Section假设参考数字段HSUT:High -order path Supervision Unequipped Termination高阶通道监控未装装载终HVAC:Heating Ventilation Air Conditioning暖通空调 HWS:Hot Wate
14、r Supply热水供应系统I:Interference 串扰IA:Intruder Alarm防盗报警ICMP:Internet Control Message Protocol控制信息协议IDC:Insucation Displacement Connection绝缘层信移连接件IDS:Industrial Distribution System 工业布线系统IFC:Intelligent Fire Controller 照明智能控制器ILD:Inject Light Diode 注入式激光二极管IM:Impedance Matching 阻抗匹配IMA:Interactive Multi
15、media Association交互式多媒体协议IM-DM:Intensity Modulation-Direction Modulation直接强度调制IN:Information Network 信息网IO：Information Outlet 信息插座IOS:Intelligent Out Station 智能外围站IPEI:International Portable国际移动设备标识号IPTU:Indoor Pan &Tilt Unit 室内水平俯仰云台IPUI:International Portable User Identity国际移动用户标识号ISD:Ionization S
16、moke Detector 离子感烟探测器IT:Information Technology 信息技术ITU:International Telecommunications Union 国际电信联盟ITU-T:原名 CCITT，是国际电信联盟的一个委员会ITV:Interactive Tevevision 交互式电视JIT-Discussion conference system 即席发言系统L:Lens摄像机镜头 LAN:Local Area Network 局域网LAPB：Link Access Procedure-Balanced 链路接入规程-平衡LAPD:Link Access P
17、rocedure D-channel D信道链路访问协议LCD:Liquid Crystal Display 液晶显示屏LCL:Longituchinal Conrorsion Loss纵模变换损耗LCN:Local Communication Network 本地通信网LCS:Lower order Connection Supervision低阶连接监视LD:Laser Diode激发二极管LE:Local Exchange本地交换网LED:Light Emittirng Diode发光二极管LIU：Lightguide Interconnection Unit 光纤互连装置LLC:Log
18、ic Link Control Layer逻辑链路控制层 LLME:Low Layer Management Entity低层管理实体LM:Lerel Modulation电平调节LNA:Low Noise Amplifier低噪音放大器LOF:Loss Of Frame 帧丢失LOI:Low Order Interface低阶接口LOP:Loss Of Pointer 指针丢失LOS:Loss Of Signal 信号丢失LO-TCM:Low Order Tandem Connection Monitor低阶通道串联连接监视器LOVC:Low Order Virtual Container
19、低阶虚容器LPA:Lower order qath Adaptation低阶通道适配LPC:Lower order Path Connection低阶通道连接LPOM:Low-order Path Overhead Monitor低阶通道开销监视器LPP:Low-order Path Protection 低阶通道保护LPT:Lower order Path Termination低阶通道终端LSBCM:Laser Base Current Monitor激光器偏流监视LSUT:Low -order path Supervision Unequipped 低阶通道监控未装载终端LTC:Londline Trunk Coutroller有线线路分配器 LU:Line Unit 线路单元 MAC:Medium Access Control Layer 介质访问控制层MBMC:Multiple Burst Mode Controller 多突发模式控制器MCF:Message Communication Function消息通信功能MD:Mediation Device中介设备
