Glossary

Term	Main definition
0VR	Zero Volt Return Hits - 1409
2B+D	Two Bearer Plus Data Hits - 1324
2B1Q	2 Binary 1 Quaternary Hits - 1384
2FSK	Binary Frequency Shift Keying Hits - 1462
3G	3rd Generation Hits - 1420
4G	4th Generation Hits - 1408
4WTO	4-Wire Transmission Only Hits - 1528
A/D	Analog-to-Digital converter Hits - 1473
AAB	Auto Answer Back Hits - 1423
AAC	Advanced Audio Coding Hits - 1464
AACS	Advanced Access Content System Hits - 1413
AAL's	ATM Adaption Layers Hits - 1486
AAM	Audio Adaptor Modules Hits - 1490
AAR	Automatic Alternative Route Hits - 1422
ABI	Application Binary Interface (Unix) Hits - 1489
ABM	Adaptive Bandwidth Management Hits - 1698
ABR	Available Bit Rate Hits - 1430
AC	Alternating Current Hits - 1541
AC-3	Audio Codec 3 Hits - 1492
ACC	Advanced Computer Communications Hits - 1484
ACD	Automatic Call Distribution Hits - 1414
ACIA	Asynchronous Communications Interface Adaptor Hits - 1459
ACK	Acknowledge ( char06 - 06H ) Hits - 1492
ACM	Audio Compressor Module Hits - 1515
ACO/LT	Alarm Cut Off / Lamp Test Hits - 1415
ACP	Adjacent Channel Power Hits - 1420
ACR	Attenuation to Crosstalk Ratio Hits - 1405
ACT	Absolute Congestion Threshold Hits - 1409
ADC	Analogue to Digital Converter Hits - 1445
ADCCMP	Advanced data Communications Control Procedures (ANSI X3,66) Hits - 1400
ADI	Automatic or Alternate Digit Inversion Hits - 1449
ADM	Add/Drop Multiplex Hits - 1399
ADP	Automatic Data Processing Hits - 1365
ADPCM	Adaptive Differential Pulse Code Modulation Hits - 1350
ADSI	Analogue Display Services Interface Hits - 1416
ADSL	Asymmetric Digital Subscriber Line Hits - 1332
ADX	Automatic Data Exchange Hits - 1395
AE	Aerial Hits - 1376
AES/EBU	Audio Engineering Society/European Broadcasting Union Hits - 1374
AF	Audio Frequency Hits - 1397
AFC	Automatic Frequency Control Hits - 1407
AFD	Active Format Descriptor Hits - 1410
AFT	Automatic Fine Tuning Hits - 1409
AGC	Automatic Gain Control Hits - 1352
AIN	Advanced Intelligent Network Hits - 1355
AIS	Alarm Indication Signal Hits - 1363
ALAPB	Autosynchronous Link Access Protocol, Balanced Hits - 1412
ALC	Automatic Level Control Hits - 1386
ALI	Automatic Location Identification Hits - 1433
ALN	Adaptive Logic Network Hits - 1478
ALSC	Automatic Level and Slope Control Hits - 1352
ALU	Arithmetic and Logic Unit Hits - 1328
AM	Amplitude Modulation Hits - 1414
AM-VSB	Amplitude Modulation - Vestigial Sideband Hits - 1410
AMI	Alternate Mark Inversion Hits - 1406
AML	Amplitude Modulated Link Hits - 1412
AMLCD	Active Matrix LCD Hits - 1347
AMPS	American Mobile Phone System/Advanced Mobile Phone System Hits - 1335
AMUSE	Advanced Multimedia Services for Residential Users Hits - 1282
ANGA	Annual European trade show for Cable, Broadband and Satellite in Cologne Germany Hits - 1249
ANI	Automatic Number Identification Hits - 1288
ANM	Advanced Network Management Hits - 1213
ANS	Automatic Network Synchronization Hits - 1338
ANS v2	Automatic Network Synchronization version 2 Hits - 1281
ANSI	American National Standards Institute Hits - 1320
ANSU	American National Standards Unit Hits - 1276
AOS	Alternative Operator Services Hits - 1291
APC	Angular Physical Contact Hits - 1231
APD	Avalanche Photo Diode Hits - 1198
API	Application Programming Interface Hits - 1404
APPN	Advanced Peer to Peer Networking Hits - 1175
APS	Automatic Protection Switching Hits - 1348
AQA	Activity Qualified Access Hits - 1228
ARCnet	Advancd Resource Computer Network Hits - 1300
ARM.	Advanced Risc Machines Hits - 1326
ARPA	Advanced Research Projects Agency Hits - 1293
ARQ	Automatic Repeat Request Hits - 1282
ARU	Automatic Response Unit Hits - 1331
ASC	Abnormal Station Code; Automatic Slope Control Hits - 1324
ASCII	American Standard Code for Information Interchange Hits - 1283
ASIC	Application Specific Integrated Circuit Hits - 1344
ASID	Application Specific Integrated Device Hits - 1256
ASK	Amplitude Shift Keying Hits - 1331
ASR	Automatic Send Receive Hits - 1361
ATDM	Asynchronous Time Division Multiplex(er) Hits - 1273
ATE	Automated Test Equipment Hits - 1345
ATIS	Alliance for Telecommunications Industry Solutions Hits - 1333
ATM	Asynchronous Transfer Mode Hits - 1345
ATS	Abstract Test Suite Hits - 1291
ATSC	Advanced Television Systems Committee Hits - 1359
ATV	Advanced Television Hits - 1304
AUI	Attachment Unit Interface (Ethernet - 15 oin) Hits - 1357
AV	Audio-Video Hits - 1349
AVC	Advanced Video Coding Hits - 1367
AVI	Audio Video Interleave (Microsoft) Hits - 1336
AVS	Audio Video Standard Hits - 1239
AWC	Area Wide Center Hits - 1246
AWG	American Wire Gauge Hits - 1265
AWGN	Additive White Gausian Noise Hits - 1165
B-FRAME	Bidirectionally Predictive-coded (B) Pictures Hits - 1337