Glossary

Term	Main definition
0VR	Zero Volt Return Hits - 1529
2B+D	Two Bearer Plus Data Hits - 1430
2B1Q	2 Binary 1 Quaternary Hits - 1489
2FSK	Binary Frequency Shift Keying Hits - 1572
3G	3rd Generation Hits - 1531
4G	4th Generation Hits - 1517
4WTO	4-Wire Transmission Only Hits - 1640
A/D	Analog-to-Digital converter Hits - 1596
AAB	Auto Answer Back Hits - 1541
AAC	Advanced Audio Coding Hits - 1582
AACS	Advanced Access Content System Hits - 1519
AAL's	ATM Adaption Layers Hits - 1597
AAM	Audio Adaptor Modules Hits - 1607
AAR	Automatic Alternative Route Hits - 1543
ABI	Application Binary Interface (Unix) Hits - 1601
ABM	Adaptive Bandwidth Management Hits - 1812
ABR	Available Bit Rate Hits - 1566
AC	Alternating Current Hits - 1656
AC-3	Audio Codec 3 Hits - 1606
ACC	Advanced Computer Communications Hits - 1602
ACD	Automatic Call Distribution Hits - 1531
ACIA	Asynchronous Communications Interface Adaptor Hits - 1573
ACK	Acknowledge ( char06 - 06H ) Hits - 1617
ACM	Audio Compressor Module Hits - 1631
ACO/LT	Alarm Cut Off / Lamp Test Hits - 1531
ACP	Adjacent Channel Power Hits - 1535
ACR	Attenuation to Crosstalk Ratio Hits - 1517
ACT	Absolute Congestion Threshold Hits - 1531
ADC	Analogue to Digital Converter Hits - 1566
ADCCMP	Advanced data Communications Control Procedures (ANSI X3,66) Hits - 1513
ADI	Automatic or Alternate Digit Inversion Hits - 1559
ADM	Add/Drop Multiplex Hits - 1509
ADP	Automatic Data Processing Hits - 1471
ADPCM	Adaptive Differential Pulse Code Modulation Hits - 1455
ADSI	Analogue Display Services Interface Hits - 1515
ADSL	Asymmetric Digital Subscriber Line Hits - 1435
ADX	Automatic Data Exchange Hits - 1505
AE	Aerial Hits - 1485
AES/EBU	Audio Engineering Society/European Broadcasting Union Hits - 1477
AF	Audio Frequency Hits - 1510
AFC	Automatic Frequency Control Hits - 1513
AFD	Active Format Descriptor Hits - 1522
AFT	Automatic Fine Tuning Hits - 1507
AGC	Automatic Gain Control Hits - 1459
AIN	Advanced Intelligent Network Hits - 1456
AIS	Alarm Indication Signal Hits - 1473
ALAPB	Autosynchronous Link Access Protocol, Balanced Hits - 1511
ALC	Automatic Level Control Hits - 1485
ALI	Automatic Location Identification Hits - 1542
ALN	Adaptive Logic Network Hits - 1584
ALSC	Automatic Level and Slope Control Hits - 1449
ALU	Arithmetic and Logic Unit Hits - 1440
AM	Amplitude Modulation Hits - 1518
AM-VSB	Amplitude Modulation - Vestigial Sideband Hits - 1523
AMI	Alternate Mark Inversion Hits - 1508
AML	Amplitude Modulated Link Hits - 1513
AMLCD	Active Matrix LCD Hits - 1454
AMPS	American Mobile Phone System/Advanced Mobile Phone System Hits - 1433
AMUSE	Advanced Multimedia Services for Residential Users Hits - 1383
ANGA	Annual European trade show for Cable, Broadband and Satellite in Cologne Germany Hits - 1330
ANI	Automatic Number Identification Hits - 1372
ANM	Advanced Network Management Hits - 1311
ANS	Automatic Network Synchronization Hits - 1440
ANS v2	Automatic Network Synchronization version 2 Hits - 1362
ANSI	American National Standards Institute Hits - 1410
ANSU	American National Standards Unit Hits - 1368
AOS	Alternative Operator Services Hits - 1380
APC	Angular Physical Contact Hits - 1323
APD	Avalanche Photo Diode Hits - 1281
API	Application Programming Interface Hits - 1497
APPN	Advanced Peer to Peer Networking Hits - 1256
APS	Automatic Protection Switching Hits - 1445
AQA	Activity Qualified Access Hits - 1319
ARCnet	Advancd Resource Computer Network Hits - 1381
ARM.	Advanced Risc Machines Hits - 1414
ARPA	Advanced Research Projects Agency Hits - 1377
ARQ	Automatic Repeat Request Hits - 1375
ARU	Automatic Response Unit Hits - 1414
ASC	Abnormal Station Code; Automatic Slope Control Hits - 1420
ASCII	American Standard Code for Information Interchange Hits - 1373
ASIC	Application Specific Integrated Circuit Hits - 1434
ASID	Application Specific Integrated Device Hits - 1338
ASK	Amplitude Shift Keying Hits - 1417
ASR	Automatic Send Receive Hits - 1447
ATDM	Asynchronous Time Division Multiplex(er) Hits - 1360
ATE	Automated Test Equipment Hits - 1441
ATIS	Alliance for Telecommunications Industry Solutions Hits - 1430
ATM	Asynchronous Transfer Mode Hits - 1427
ATS	Abstract Test Suite Hits - 1381
ATSC	Advanced Television Systems Committee Hits - 1438
ATV	Advanced Television Hits - 1385
AUI	Attachment Unit Interface (Ethernet - 15 oin) Hits - 1446
AV	Audio-Video Hits - 1437
AVC	Advanced Video Coding Hits - 1448
AVI	Audio Video Interleave (Microsoft) Hits - 1428
AVS	Audio Video Standard Hits - 1328
AWC	Area Wide Center Hits - 1334
AWG	American Wire Gauge Hits - 1355
AWGN	Additive White Gausian Noise Hits - 1250
B-FRAME	Bidirectionally Predictive-coded (B) Pictures Hits - 1439