REDES DE TELECOMUNICACIONES

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1 REDES DE TELECOMUNICACIONES LISTA DE ACRÓNIMOS Símbolos 2B+D α λ Ω 2 canales B (64Kbps) y 1 D (16Kbps) en BRI Roll-off, factor de caída del filtro conformador en un modulador digital Longitud de onda de una portadora óptica (nm) Ohmio (resistencia) A A AAL ABR AC ADC ADM ADSL AGC AM AMPS ANSI AOC APC APD API ASK ATM ATU Amperio (intensidad de corriente) ATM Adaptation Layer Available Bit Rate Acceso Condicional Analogue to Digital Converter Add Drop Multiplexor Asymetric DSL CAG Amplitud Modulada Advanced Mobile Phone Service American National Standards Institute Agrupación de Operadores de Cable Angle Physical Contact, tipo de conector de f.o. Avalanche Photo Diode, diodo detector óptico Application Program Interface Amplitude Shift Keying Asynchronous Transfer Mode, modo de transferencia asíncrono ADSL Transceiver Unit B BB BC BER BISDN bps BPSK BRI BTS BW Banda Base Broadcast Channel Bit Error Rate Broadband ISDN, RDSI de banda ancha Bits por segundo Binary PSK Basic Rate ISDN Base Transceiver Station Band Width, ancho de banda C C c.a. CB c.c. CAF CAG CAN Carrier, portadora Corriente alterna Citizens Band, banda ciudadana Corriente continua Control Automático de Frecuencia Control Automático de Ganancia Control Automático de Nivel A.Murillo / 7

2 CAP Carrierless AM/PM (Amplitude and Phase Modulation) CATV Community Antenna TV, televisión de antena colectiva (cable TV) CBR Constant Bit Rate CDMA Code Division Multiple Access CENELEC Comitè Europèen de Normalisation Electrotechnique CM Cable Modem CMI Cable Microcell Integrator CMT Comisión del Mercado de las Telecomunicaciones CMTS Cable Modem Termination System C/N CNR CN Centro Nodal, Nodo Primario CNAF Cuadro Nacional de Asignación de Frecuencias CNR Carrier to Noise Ratio, relación portadora a ruido CO Central Office COFDM Coded OFDM CPU Central Processing Unit CSMA Carrier Sense Multiple Access, acceso múltiple por detección de portadora CSO Composite Second Order, interferencia por intermodulación de segundo orden CT Caja Terminal de pares telefónicos CT2 Cordless Telephone 2 CTB Composite Triple Beat, interferencia por intermodulación de tercer orden D DAB DAC DAMPS DAVIC db dbc dbm dbmv DBS dbuv DCS DECT DFB DLC DMT DOCSIS DSL DSLAM DVB DWDD DWDM DWMT Digital Audio Broadcasting Digital to Analogue Converter Digital AMPS Digital Audio-Visual Council Decibelio Decibelios relativos a la portadora (carrier) db miliwatio db milivoltio Direct Broadcast Satellite db microvoltio Digital Cellular System Digital European Cordless Telecommunications Distributed Feed Back, tipo de fuente óptica, láser Digital Loop Carrier Discrete MultiTone Data Over Cable Service Interface Specification Digital Subscriber Line, línea de abonado digital DSL Access Multiplexor Digital Video Broadcasting Dense Wavelength Division Demultiplex Dense WDM, multiplexación densa por división en longitud de onda Discrete Wavelet MultiTone E EAM EBU EDFA EIA EMI EN EQ ElectroAbsorption Modulator European Broadcast Union Erbium Doped Fiber Amplifier, amplificador óptico dopado con Erbio Electronics Industries Association Electromagnetic Interference European Norm Ecualizador A.Murillo / 7

3 ETS ETSI European Technical Standard European Telecommunications Standards Institute F FAMM FCC FDDI FDM FDMA FEC FEXT FI FIC FIFO FIR FITL FM f.o. FP FR FR FSK FTTC FTTH Frequency Agile Multimode Federal Communications Commission Fiber Distributed Data Interface Frequency Division Multiplex Frequency Division Multiple Access Forward Error Correction Far End Cross Talk Frecuencia Intermedia Forward IC, canal de interacción descendente First In First Out Finite Impulse Response, tipo de filtro discreto Fiber in the Loop Frecuencia Modulada Fibra óptica Fabry Perot, tipo de fuente óptica, láser Figura de Ruido (NF) Frame Relay Frequency Shift Keying Fiber to the Curb Fiber to the Home G G GE GPS GSM Ganancia Grupo Electrógeno Global Positioning System Global Spécial Mobile, Global System for Mobile Communications H HDSL HDT HDTV HE HECU HF HFC HIC HP HPF HRC HU High-bit-rate DSL Host Digital Terminal High Definition TV, televisión de alta definición HeadEnd, Cabecera HeadEnd Control Unit High Frequency Hybrid Fiber-Coaxial, Híbrida Fibra (óptica)-coaxial Headend Interface Converter Hogares Pasados High Pass Filter, filtro paso alto Harmonically Related Carriers Height unit I IB IC IEEE IF INA IP In band Interaction Channel, canal de interacción Institute of Electrical and Electronic Engineers Intermediate Frequency Interactive Network Adaptor Internet Protocol A.Murillo / 7

4 IPG Interactive Program Guide, guía de programas interactiva IPPV Impulse PPV IRC Incrementally Related Carriers IRD Integrated Receiver/Decoder, descodificador de SAT IS-95 Interim Standard 95 ISDN Integrated Services Digital Network (RDSI) ISI InterSymbol Interference, interferencia intersimbólica ISO International Organization for Standards ISP Internet Service Provider ITU International Telecommunications Union J JDP JDS JPEG JTACS Jerarquía Digital Plesiócrona (PDH) Jerarquía Digital Síncrona (SDH) Joint Photografic Expert Group Japan TACS K K KB Kb Kbps KW Kelvin (temperatura) Kilobyte Kilobit Kilobits por segundo Kilowatio L LAN LASER LE LED LMDS LNA LNB LOS LOS LOT LPF LSB Local Area Network, red de área local Light Amplification by Stimulated Emission of Radiation, fuente óptica Line Extender, amplificador de RF de distribución Light Emitting Diode, fuente óptica Local Multipoint Distribution System Low Noise Amplifier Low Noise Block converter Loss of Signal Line of Sight, línea de visión Ley de Ordenación de las Telecomunicaciones Low Pass Filter, filtro paso bajo Least Significant Bit M MAC MAN MCNS MMDS MOD MPEG MSB MTBF MTTR MUX MVDS Medium Access Control, contro de acceso al medio Metropolitan Area Network, red de área metropolitana Multimedia Cable Network System Partners Limited Microwave Multipoint Distribution System Modulador Motion Picture Experts Group Most Significant Bit Mean Time Between Failure, tiempo medio entre fallos Mean Time to Repair, tiempo medio hasta la reparación Multiplexor Multipoint Video Distribution Service A.Murillo / 7

5 N N NC NEO NEXT NF NF NFT NICAM NIU nm NMT NOE NP NTACS NTSC NTT NVOD Noise, ruido Narrowcast Channel Nodo Electro-Óptico (NOE) Near End Cross Talk Noise Figure, figura de ruido Nodo final Nodo Final con equipamiento de Telefonía Near Instantaneous Companded Audio Multiplex Network Interface Unit Nanometros (10-9 metros) Nordic Mobile Telephone Nodo Opto-Electrónico (NEO) Nodo Primario Nippon TACS National Television System Committee, estándar de TV en color Nippon Telephone and Telegraph Near Video On Demand, vídeo casi bajo demanda O OFDM ONU OOB OOK OSI OTDR Ortogonal Frequency Division Multiplex Optical Network Unit Out of band On-off Keying Open Systems Interconnection Optical Time Domain Reflectometer P PACS PAL PAP PC PC PCM PCN PCR PCS PDC PDH PDU PHS PHY POF POP POTS PPP PPV PS PSK PTR PVN Personal Access Communication Service Phase Alternating Line, estándar de TV en color Punto a punto Physical Contact, tipo de conector de f.o. Personal Computer Pulse Code Modulation Personal Communication Network Punto de Conexión de Red Personal Communication Service Personal Digital Cellular Plesiochronous Digital Hierarchy (JDP) Paquet Data Unit Personal Handyphone System Capa física Plastic Optical Fiber, fibra óptica de plástico Point of Presence, punto de presencia (en la red) Plain Old Telephone Service Point to Point Protocol Pay per view, pago por visión Power Supply, fuente de alimentación Phase Shift Keying Punto de Terminación de Red Private Virtual Network, red privada virtual A.Murillo / 7

6 Q QAM QoS QPSK QR Quadrature Amplitude Modulation Quality of Service, calidad de servicio Quadrature Phase Shift Keying Quamtum Reach, tipo de coaxial R RAD RADSL RASP RC RDSI RF RFC RFI RFP RIC RIC RJ rms rpm RS RTC Rx Remote Antenna Driver Rate Adaptative DSL Remote Antenna Signal Processor Return Channel, Reverse Channel, canal de retorno Red Digital de Servicios Integrados (ISDN) Radio Frecuencia Request for Comments Radio Frequency Interference Request for Proposals Red Interior de Cliente Reverse IC, canal de interacción ascendente Tipo de conector telefónico o de red local root mean square, valor cuadrático medio Revoluciones por minuto Reed Solomon Red Telefónica Conmutada Receptor S S SAI SAT SCTE SDH SECAM SMATV SMS SNMP SNR SONET STB STM STP SW Señal Sistema de Alimentación Ininterrumpida (UPS) Satélite Society of Cable Telecommunications Engineers Synchronous Digital Hierarchy (JDS) Système Électronique Couleur Avec Mémoire, estándar de TV en color Satellite Master Antenna TV Subscriber Management System Simple Network Management Protocol Signal to Noise Ratio, relación señal a ruido Synchronous Optical NETwork Set-top box Synchronous Transfer Mode Shielded Twisted Pair, par de cobre trenzado y apantallado Switch, conmutador T TACS TCP TDM TDMA TMN TS TVi Tx TV Total Access Communication System Transmision Control Protocol Time Division Multiplex Time Division Multiple Access Telecommunications Management Network Transport Stream, flujo de transporte digital de datos TV Interactiva Transmisor Televisión A.Murillo / 7

7 U UHF UPS USB UTP Ultra High Frequency Uninterrupted Power Supply (SAI) Universal Serial Bus Unshielded Twisted Pair, par de cobre trenzado no apantallado V V VBI VBR VHF VITS VLAN VOD VoIP VSAT VSB Voltio (tensión) Vertical Blanking Interval, intervalo de borrado vertical Variable Bit Rate Very High Frequency Vertical Interval Test Signals Virtual LAN Video On Demand, vídeo bajo demanda Voice over IP, voz sobre IP Very Small Aperture Terminal Vestigial Side Band, banda lateral vestigial W W WACS WAN WAP WDM WLL WWW Watio (potencia) Wireless Access Communication System Wide Area Network, red de área extensa Wireless Access Protocol Wavelength Division Multiplex, multiplexación por división en longitud de onda Wireless Local Loop World Wide Web X XM XTLK Cross Modulation, modulación cruzada Crosstalk, acoplamiento entre pares Y Y Luminancia (de una señal de TV) Z Z Impedancia (Ω) A.Murillo / 7

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