Glossary

Term	Main definition
0VR	Zero Volt Return Hits - 1472
2B+D	Two Bearer Plus Data Hits - 1381
2B1Q	2 Binary 1 Quaternary Hits - 1437
2FSK	Binary Frequency Shift Keying Hits - 1519
3G	3rd Generation Hits - 1479
4G	4th Generation Hits - 1464
4WTO	4-Wire Transmission Only Hits - 1583
A/D	Analog-to-Digital converter Hits - 1541
AAB	Auto Answer Back Hits - 1486
AAC	Advanced Audio Coding Hits - 1528
AACS	Advanced Access Content System Hits - 1470
AAL's	ATM Adaption Layers Hits - 1545
AAM	Audio Adaptor Modules Hits - 1552
AAR	Automatic Alternative Route Hits - 1485
ABI	Application Binary Interface (Unix) Hits - 1548
ABM	Adaptive Bandwidth Management Hits - 1756
ABR	Available Bit Rate Hits - 1508
AC	Alternating Current Hits - 1601
AC-3	Audio Codec 3 Hits - 1553
ACC	Advanced Computer Communications Hits - 1548
ACD	Automatic Call Distribution Hits - 1478
ACIA	Asynchronous Communications Interface Adaptor Hits - 1521
ACK	Acknowledge ( char06 - 06H ) Hits - 1561
ACM	Audio Compressor Module Hits - 1577
ACO/LT	Alarm Cut Off / Lamp Test Hits - 1476
ACP	Adjacent Channel Power Hits - 1480
ACR	Attenuation to Crosstalk Ratio Hits - 1461
ACT	Absolute Congestion Threshold Hits - 1471
ADC	Analogue to Digital Converter Hits - 1508
ADCCMP	Advanced data Communications Control Procedures (ANSI X3,66) Hits - 1457
ADI	Automatic or Alternate Digit Inversion Hits - 1505
ADM	Add/Drop Multiplex Hits - 1452
ADP	Automatic Data Processing Hits - 1419
ADPCM	Adaptive Differential Pulse Code Modulation Hits - 1407
ADSI	Analogue Display Services Interface Hits - 1466
ADSL	Asymmetric Digital Subscriber Line Hits - 1383
ADX	Automatic Data Exchange Hits - 1449
AE	Aerial Hits - 1433
AES/EBU	Audio Engineering Society/European Broadcasting Union Hits - 1428
AF	Audio Frequency Hits - 1456
AFC	Automatic Frequency Control Hits - 1463
AFD	Active Format Descriptor Hits - 1467
AFT	Automatic Fine Tuning Hits - 1459
AGC	Automatic Gain Control Hits - 1409
AIN	Advanced Intelligent Network Hits - 1407
AIS	Alarm Indication Signal Hits - 1424
ALAPB	Autosynchronous Link Access Protocol, Balanced Hits - 1464
ALC	Automatic Level Control Hits - 1441
ALI	Automatic Location Identification Hits - 1490
ALN	Adaptive Logic Network Hits - 1538
ALSC	Automatic Level and Slope Control Hits - 1406
ALU	Arithmetic and Logic Unit Hits - 1393
AM	Amplitude Modulation Hits - 1467
AM-VSB	Amplitude Modulation - Vestigial Sideband Hits - 1470
AMI	Alternate Mark Inversion Hits - 1462
AML	Amplitude Modulated Link Hits - 1463
AMLCD	Active Matrix LCD Hits - 1406
AMPS	American Mobile Phone System/Advanced Mobile Phone System Hits - 1383
AMUSE	Advanced Multimedia Services for Residential Users Hits - 1333
ANGA	Annual European trade show for Cable, Broadband and Satellite in Cologne Germany Hits - 1290
ANI	Automatic Number Identification Hits - 1333
ANM	Advanced Network Management Hits - 1263
ANS	Automatic Network Synchronization Hits - 1395
ANS v2	Automatic Network Synchronization version 2 Hits - 1325
ANSI	American National Standards Institute Hits - 1366
ANSU	American National Standards Unit Hits - 1321
AOS	Alternative Operator Services Hits - 1338
APC	Angular Physical Contact Hits - 1279
APD	Avalanche Photo Diode Hits - 1241
API	Application Programming Interface Hits - 1454
APPN	Advanced Peer to Peer Networking Hits - 1214
APS	Automatic Protection Switching Hits - 1400
AQA	Activity Qualified Access Hits - 1277
ARCnet	Advancd Resource Computer Network Hits - 1342
ARM.	Advanced Risc Machines Hits - 1370
ARPA	Advanced Research Projects Agency Hits - 1336
ARQ	Automatic Repeat Request Hits - 1331
ARU	Automatic Response Unit Hits - 1373
ASC	Abnormal Station Code; Automatic Slope Control Hits - 1371
ASCII	American Standard Code for Information Interchange Hits - 1328
ASIC	Application Specific Integrated Circuit Hits - 1390
ASID	Application Specific Integrated Device Hits - 1299
ASK	Amplitude Shift Keying Hits - 1376
ASR	Automatic Send Receive Hits - 1408
ATDM	Asynchronous Time Division Multiplex(er) Hits - 1317
ATE	Automated Test Equipment Hits - 1394
ATIS	Alliance for Telecommunications Industry Solutions Hits - 1383
ATM	Asynchronous Transfer Mode Hits - 1388
ATS	Abstract Test Suite Hits - 1337
ATSC	Advanced Television Systems Committee Hits - 1400
ATV	Advanced Television Hits - 1345
AUI	Attachment Unit Interface (Ethernet - 15 oin) Hits - 1400
AV	Audio-Video Hits - 1396
AVC	Advanced Video Coding Hits - 1408
AVI	Audio Video Interleave (Microsoft) Hits - 1385
AVS	Audio Video Standard Hits - 1286
AWC	Area Wide Center Hits - 1292
AWG	American Wire Gauge Hits - 1313
AWGN	Additive White Gausian Noise Hits - 1205
B-FRAME	Bidirectionally Predictive-coded (B) Pictures Hits - 1386