【正文】 Tilt Unit 室內(nèi)水平俯仰云臺IPUI:International Portable User Identity國際移動用戶標(biāo)識號ISD:Ionization Smoke Detector 離子感煙探測器IT:Information Technology 信息技術(shù)ITU:International Telemunications Union 國際電信聯(lián)盟ITUT:原名CCITT，是國際電信。 Control net建筑物自動化和控制網(wǎng)絡(luò)BAM:Background Administration Module后管理模塊BBER:Background Block Error Ratio背景塊誤碼比BCC:Bchannel Connect ControlB通路連接控制BD:Building Distributor BEF:Buiding Entrance Facilities 建筑物入口設(shè)施BFOC:Bayonet Fibre Optic Connector大口式光纖連接器BGN:Background Noise背景噪聲BGS: Background Sound 背景音響B(tài)IPN:Bit Interleaved Parity N code 比特間插奇偶校驗N位碼BISDN:Brand band ISDN 寬帶綜合業(yè)務(wù)數(shù)字網(wǎng)BISDN:Broad band Integrated Services Digital Network 寬帶綜合業(yè)務(wù)數(shù)字網(wǎng)BMC:Burst Mode Controller 突發(fā)模式控制器BMS:Building Management System 智能建筑管理系統(tǒng)BRI:Basic Rate ISDN 基本速率的綜合業(yè)務(wù)數(shù)字網(wǎng)BS:Base Station基站BSC:Base Station Controller基站控制器BUL：Back up lighting備用照明C/S: Client/Server客戶機(jī)/服務(wù)器　C:Combines 混合器C:Container 容器CA:Call Accounting電話自動計費(fèi)系統(tǒng)CATV:Cable Television 有線電視CC:Call Control 呼叫控制CC:Coax cable 同軸電纜CCD:Charge coupled devices 電荷耦合器件CCF:Cluster Contril Function 簇控制功能CD:Campus Distributor 建筑群配線架CD:Combination detector 感溫，感煙復(fù)合探測器CDCA:Continuous Dynamic Channel Assign 連續(xù)的動態(tài)信道分配CDDI:Copper Distributed Data 合同纜分布式數(shù)據(jù)接口CDES:Carbon dioxide extinguisbing system 二氧化碳系統(tǒng)CDMA:Code Division Multiplex Access 碼分多址CF:Core Function 核心功能CFM:Compounded Frequency Modulation 壓擴(kuò)調(diào)頻繁CIS:Call Information System 呼叫信息系統(tǒng)CISPR:Internation Special Conmittee On Radio Interference 國際無線電干擾專門委員會CLNP:Connectionless Network Protocol 無連接模式網(wǎng)絡(luò)層協(xié)議CLP:Cell Loss Priority信元丟失優(yōu)先權(quán) CM:Communication Module 通信模塊CM:Configuration Management 配置管理CM:Crossconnect Matrix交叉連接矩陣CMI:Coded Mark Inversion傳號反轉(zhuǎn)碼 CMISE:Common Management Information Service公用管理信息協(xié)議服務(wù)單元CPE:Convergence protocol entity 會聚協(xié)議實體CR/E:card reader /Encoder (Ticket reader )卡讀寫器/編碼器CRC:Cyclic Redundancy Check 循環(huán)冗佘校驗CRT:Cathode Ray Tabe 顯示器，監(jiān)視器，陰極射線管CS: Convergence service 會聚服務(wù)CS:Cableron Spectrum 舊納檔塊化技術(shù)CS:Ceiling Screen 擋煙垂壁CS:Convergence Sublayer合聚子層CSC:Combined Speaker Cabinet 組合音響CSCW:Computer supported collaborative work 計算機(jī)支持的協(xié)同工作CSES:Continuius Severely Errored Second 連續(xù)嚴(yán)重誤碼秒CSF:Cell Site Function 單基站功能控制CTB:Composite Triple Beat 復(fù)合三價差拍CTD：Cable Thermal Detector 纜式線型感溫探測器CTNR:carrier to noise ratio 載波比CW:Control Word 控制字D:Directional 指向性　　　　　　　　　　　　　　　　　　　　　　　　　　　　　D:Distortion 失真度D:Distributive 分布式DA:Distribution Amplifier 分配的大器DBA:Database Administrator數(shù)據(jù)庫管理者DBCSN:Database Control System Nucleus數(shù)據(jù)庫控制系統(tǒng)核心 DBOS:Database Organizing System 數(shù)據(jù)庫組織系統(tǒng)DBSS:Database Security System 數(shù)據(jù)庫安全系統(tǒng)DC:Door Contacts大門傳感器DCC:Digital Communication Channel數(shù)字通信通路 DCN:Data Communication Network 數(shù)據(jù)通信網(wǎng)DCPI:Distributed Control Panel Intelligent智能型分散控制器DCS:Distributed Control System集散型控制系統(tǒng)DDN:Digital Data Network 數(shù)字?jǐn)?shù)據(jù)網(wǎng)DDS:Direct Dignital Controller直接數(shù)字控制器DDW:Data Describing Word 數(shù)據(jù)描述字DECT:Digital Enhanced Cordless Telemunication增強(qiáng)數(shù)字無繩通訊DFB:Distributed Feedback 分布反饋DID:Direct Inward Dialing 直接中繼方式，呼入直撥到分機(jī)用戶DLC:Data Link Control Layer 數(shù)據(jù)鏈路層DLI:DECT Line Interface DODI:Direct Outward Dialing One 一次撥號音DPH:DECT Phone DRC:Directional Response Cahracteristics 指向性響應(yīng)DS:Direct Sound 直正聲DSP:Digital signal Processing 數(shù)字信號處理DSS：Deiision Support System 決策支持系統(tǒng)DTMF:Dual Tone MultiFrequency 雙音多頻DTS:Dual Technology Sensor 雙鑒傳感器DWDM:Dense Wavelength Division Multiplexing 密集波分復(fù)用DXC:Digital CrossConnect 數(shù)字交叉連接E:Emergency lighting照明設(shè)備　　　　　　　　　　　　　　　　　　　　　　　　　E:Equalizer 均衡器E:Expander 擴(kuò)展器EADFB:Electricity AbsorbDistributed Feedback 電吸收分布反饋ECC:Embedded Control Channel 嵌入或控制通道EDFA:ErbiumDoped Fiber Amplifier摻餌光纖放大器EDI:Electronic Data Interexchange 電子數(shù)據(jù)交換EIC:Electrical Impedance Characteristics 電阻抗特性EMC：Electro Magnetic Compatibiloty 電磁兼容性EMI:Electro Magnetic Interference 電磁干擾EMS:Electromagnetic Sensitibility 電磁敏感性EN:Equivalent Noise 等效噪聲EP:Emergency Power 應(yīng)急電源ES:Emergency Sooket 應(yīng)急插座ES:Evacuation Sigvial疏散照明 ESA:Error SecondA 誤碼秒類型ＡESB:ErrorSecondB 誤碼秒類型ＢESD:Electrostatic Discharge靜電放電ESR:Errored Second Ratio 誤碼秒比率ETDM:Electrical Time Division Multiplexing電時分復(fù)用ETSI:European Telemunication Standards Institute歐洲電信標(biāo)準(zhǔn)協(xié)會 F:Filter 濾波器　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　FAB:Fire Alarm Bell 火警警鈴FACU:Fire Alarm Contrlol Unit 火災(zāi)自動報警控制裝置FC:Failure Count 失效次數(shù)FC:Frequency Converter 頻率變換器FCC:Fire Alarm System 火災(zāi)報警系統(tǒng)FCS:Field Control System 現(xiàn)場總線FCU：Favn Coil Unit風(fēng)機(jī)盤管FD:Fire Door 防火門FD:Flame Detector 火焰探測器FD:Floor DistributorFD:Frequency Dirsder 分頻器FDD:Frequency Division Dual 頻分 雙工FDDI：Fiberdistributed Data Interface光纖纜分布式數(shù)據(jù)接口。A:Actuator 執(zhí)行器A:Amplifier 放大器A:Attendance員工考勤A:Attenuation衰減AA:Antenna amplifier 天線放大器AA:Architectural Acoustics建筑聲學(xué)AC:Analogue Controller 模擬控制器ACD:Automatic Call Distribution 自動分配話務(wù)ACS:Access Control System出入控制系統(tǒng)AD:Addressable Detector地址探測器ADM:Add/Drop Multiplexer分插復(fù)用器ADPCM:Adaptive Differential ulse Code Modulation 自適應(yīng)差分脈沖編碼調(diào)制AF:Acoustic Feedback 聲反饋AFR:Amplitude /Frequency Response 幅頻響應(yīng)AGC:Automati Gain Control自動增益控制AHU:Air Handling Unit 空氣處理機(jī)組AI:Autoiris自動光圈AIS:Alarm Indication Signal 告警指示信號AITS:Acknowledged Information Transfer Service確認(rèn)操作ALC:Automati Level Control 自動平衡控制ALS:Alarm Seconds 告警秒ALU:Analogue Lines Unit 模擬用戶線單元AM:Administration Modul