Elenco in ordine alfabetico delle sigle usate nella terminologia delle telecomunicazioni.

A A-D Analog-to-Digital ABM Asyncronous Balanced Mode ABR Available bit rate ACD Automatic Call Distribution ACU Automatic Calling Unit ADC Analog-to Digital Converter - convertitore analogico-digitale ADCCP Advance Data communication Control Procedures ADSL Asymmetric Digital Subscriber Line AIG AddresIndicating Group ADH Automatic Data Handling ADP Automatic Data Processing ADPCM Adaptive Differential Pulse-Code Modulation ADPE Automatic Data Processing Equipment AM Amplitude Modulation - modulazione di ampiezza ANSI American National Standards Institute APK Amplitude Frequency Keying ARP Address Resolution Protocol ASAP As Soon As Possible ASK Amplitude-shift keying ASN.1 Abstract Syntax Notation one AWGN Additive White Gaussian Noise

B BBC Bolck Check Character BCD Binary-coded decimal BCI Bit-count integrity BER Bit Error Ratio BERT Bit Error Ratio Tester BIU Bus Interface Unit

C CAMA Centralized Automatic Message Accounting CCI Co-channel Interference CPM Continuous Phase Modulation

D D-A Digital-to-Analog DAC Digital to Analog Converter - convertitore digitale-analogico DACS Digital Access and Cross-Connect System DAMA Demand Assignment Multiple Access DSB Double Sideband (Modulation) DSSS Direct Sequence Spread Spectrum

E EPC Electronic Product Code

F FDDI Fiber distributed data interface FHSS Frequency Hopping Spread Spectrum FM Frequency Modulation - modulazione di frequenza FSK Frequency-shift keying FYI For Your Information

G GARR Gruppo Armonizzazione Reti per la Ricerca (o di Ricerca)

J JTIDS Joint Tactical Information Sistem (sistema interforze di distribuzione delle informazioni) - datalink militare Link-16

K KDC Key Distribution Center

L LAN Local Area Network

M MAN Metropolitan Area Network MDMF Multiple Data Message Format MSK Minimum-shift Keying

N NATA North American Telecommunications Association NPI Numbering Plan Indicator

O OFDM Ortogonal Frequency Division Multiplexing ONA Open Network Architecture OOK On Off Keying

P PAM Pulse Amplitude Modulation - modulazione di ampiezza di impulso PCM Pulse-Code Modulation PM Phase Modulation - modulazione di fase PHP Hypertext Preprocessor PSK Phase-shift keying PWM Pulse Width Modulation - modulazione di larghezza di impulso

Q QAM Quadrature Amplitude Modulation - modulazione di ampiezza in quadratura

R RFID Radio Frequency IDentification

S SCPC Single channel per carrier SDMF Single Data Message Format SNR Signal-to-Noise Ratio SSB Single Sideband (Modulation)

T TBC To Be Confirmed TBD To Be Defined TCM Trellis Coded Modulation TON Type Of Number

U UPC Universal Product Code

V VSB Vestigial Sideband (Modulation)

W WAN Wide Area Network WLAN Wireless Local Area Network

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