Glossary

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Term Definition
0VR
Zero Volt Return
Hits: 517
2B+D
Two Bearer Plus Data
Hits: 480
2B1Q
2 Binary 1 Quaternary
Hits: 510
2FSK
Binary Frequency Shift Keying
Hits: 559
3G
3rd Generation
Hits: 517
4G
4th Generation
Hits: 525
4WTO
4-Wire Transmission Only
Hits: 568
A/D
Analog-to-Digital converter
Hits: 517
AAB
Auto Answer Back
Hits: 507
AAC
Advanced Audio Coding
Hits: 530
AACS
Advanced Access Content System
Hits: 493
AAL's
ATM Adaption Layers
Hits: 565
AAM
Audio Adaptor Modules
Hits: 562
AAR
Automatic Alternative Route
Hits: 479
ABI
Application Binary Interface (Unix)
Hits: 506
ABM
Adaptive Bandwidth Management
Hits: 610
ABR
Available Bit Rate
Hits: 516
AC
Alternating Current
Hits: 573
AC-3
Audio Codec 3
Hits: 538
ACC
Advanced Computer Communications
Hits: 528
ACD
Automatic Call Distribution
Hits: 555
ACIA
Asynchronous Communications Interface Adaptor
Hits: 552
ACK
Acknowledge ( char06 - 06H )
Hits: 506
ACM
Audio Compressor Module
Hits: 599
ACO/LT
Alarm Cut Off / Lamp Test
Hits: 513
ACP
Adjacent Channel Power
Hits: 491
ACR
Attenuation to Crosstalk Ratio
Hits: 506
ACT
Absolute Congestion Threshold
Hits: 471
ADC
Analogue to Digital Converter
Hits: 508
ADCCMP
Advanced data Communications Control Procedures (ANSI X3,66)
Hits: 517
ADI
Automatic or Alternate Digit Inversion
Hits: 524
ADM
Add/Drop Multiplex
Hits: 502
ADP
Automatic Data Processing
Hits: 520
ADPCM
Adaptive Differential Pulse Code Modulation
Hits: 472
ADSI
Analogue Display Services Interface
Hits: 518
ADSL
Asymmetric Digital Subscriber Line
Hits: 488
ADX
Automatic Data Exchange
Hits: 488
AE
Aerial
Hits: 500
AES/EBU
Audio Engineering Society/European Broadcasting Union
Hits: 499
AF
Audio Frequency
Hits: 509
AFC
Automatic Frequency Control
Hits: 492
AFD
Active Format Descriptor
Hits: 503
AFT
Automatic Fine Tuning
Hits: 456
AGC
Automatic Gain Control
Hits: 458
AIN
Advanced Intelligent Network
Hits: 481
AIS
Alarm Indication Signal
Hits: 494
ALAPB
Autosynchronous Link Access Protocol, Balanced
Hits: 503
ALC
Automatic Level Control
Hits: 514
ALI
Automatic Location Identification
Hits: 503
ALN
Adaptive Logic Network
Hits: 523
ALSC
Automatic Level and Slope Control
Hits: 504
ALU
Arithmetic and Logic Unit
Hits: 459
AM
Amplitude Modulation
Hits: 522
AM-VSB
Amplitude Modulation - Vestigial Sideband
Hits: 509
AMI
Alternate Mark Inversion
Hits: 492
AML
Amplitude Modulated Link
Hits: 535
AMLCD
Active Matrix LCD
Hits: 510
AMPS
American Mobile Phone System/Advanced Mobile Phone System
Hits: 472
AMUSE
Advanced Multimedia Services for Residential Users
Hits: 456
ANGA
Annual European trade show for Cable, Broadband and Satellite in Cologne Germany
Hits: 495
ANI
Automatic Number Identification
Hits: 486
ANM
Advanced Network Management
Hits: 442
ANS
Automatic Network Synchronization
Hits: 524
ANS v2
Automatic Network Synchronization version 2
Hits: 511
ANSI
American National Standards Institute
Hits: 484
ANSU
American National Standards Unit
Hits: 484
AOS
Alternative Operator Services
Hits: 484
APC
Angular Physical Contact
Hits: 446
APD
Avalanche Photo Diode
Hits: 473
API
Application Programming Interface
Hits: 527
APPN
Advanced Peer to Peer Networking
Hits: 445
APS
Automatic Protection Switching
Hits: 528
AQA
Activity Qualified Access
Hits: 454
ARCnet
Advancd Resource Computer Network
Hits: 481
ARM.
Advanced Risc Machines
Hits: 495
ARPA
Advanced Research Projects Agency
Hits: 513
ARQ
Automatic Repeat Request
Hits: 456
ARU
Automatic Response Unit
Hits: 508
ASC
Abnormal Station Code; Automatic Slope Control
Hits: 485
ASCII
American Standard Code for Information Interchange
Hits: 471
ASIC
Application Specific Integrated Circuit
Hits: 489
ASID
Application Specific Integrated Device
Hits: 490
ASK
Amplitude Shift Keying
Hits: 501
ASR
Automatic Send Receive
Hits: 514
ATDM
Asynchronous Time Division Multiplex(er)
Hits: 499
ATE
Automated Test Equipment
Hits: 507
ATIS
Alliance for Telecommunications Industry Solutions
Hits: 454
ATM
Asynchronous Transfer Mode
Hits: 529
ATS
Abstract Test Suite
Hits: 496
ATSC
Advanced Television Systems Committee
Hits: 533
ATV
Advanced Television
Hits: 493
AUI
Attachment Unit Interface (Ethernet - 15 oin)
Hits: 524
AV
Audio-Video
Hits: 469
AVC
Advanced Video Coding
Hits: 524
AVI
Audio Video Interleave (Microsoft)
Hits: 506
AVS
Audio Video Standard
Hits: 476
AWC
Area Wide Center
Hits: 471
AWG
American Wire Gauge
Hits: 472
AWGN
Additive White Gausian Noise
Hits: 440
B-FRAME
Bidirectionally Predictive-coded (B) Pictures
Hits: 451

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