Glossary

Term	Main definition
0VR	Zero Volt Return Hits - 1373
2B+D	Two Bearer Plus Data Hits - 1287
2B1Q	2 Binary 1 Quaternary Hits - 1352
2FSK	Binary Frequency Shift Keying Hits - 1424
3G	3rd Generation Hits - 1385
4G	4th Generation Hits - 1367
4WTO	4-Wire Transmission Only Hits - 1491
A/D	Analog-to-Digital converter Hits - 1429
AAB	Auto Answer Back Hits - 1386
AAC	Advanced Audio Coding Hits - 1425
AACS	Advanced Access Content System Hits - 1376
AAL's	ATM Adaption Layers Hits - 1448
AAM	Audio Adaptor Modules Hits - 1450
AAR	Automatic Alternative Route Hits - 1382
ABI	Application Binary Interface (Unix) Hits - 1452
ABM	Adaptive Bandwidth Management Hits - 1659
ABR	Available Bit Rate Hits - 1388
AC	Alternating Current Hits - 1498
AC-3	Audio Codec 3 Hits - 1447
ACC	Advanced Computer Communications Hits - 1442
ACD	Automatic Call Distribution Hits - 1377
ACIA	Asynchronous Communications Interface Adaptor Hits - 1419
ACK	Acknowledge ( char06 - 06H ) Hits - 1452
ACM	Audio Compressor Module Hits - 1479
ACO/LT	Alarm Cut Off / Lamp Test Hits - 1380
ACP	Adjacent Channel Power Hits - 1378
ACR	Attenuation to Crosstalk Ratio Hits - 1369
ACT	Absolute Congestion Threshold Hits - 1367
ADC	Analogue to Digital Converter Hits - 1407
ADCCMP	Advanced data Communications Control Procedures (ANSI X3,66) Hits - 1359
ADI	Automatic or Alternate Digit Inversion Hits - 1410
ADM	Add/Drop Multiplex Hits - 1361
ADP	Automatic Data Processing Hits - 1332
ADPCM	Adaptive Differential Pulse Code Modulation Hits - 1314
ADSI	Analogue Display Services Interface Hits - 1383
ADSL	Asymmetric Digital Subscriber Line Hits - 1302
ADX	Automatic Data Exchange Hits - 1361
AE	Aerial Hits - 1343
AES/EBU	Audio Engineering Society/European Broadcasting Union Hits - 1335
AF	Audio Frequency Hits - 1361
AFC	Automatic Frequency Control Hits - 1364
AFD	Active Format Descriptor Hits - 1375
AFT	Automatic Fine Tuning Hits - 1374
AGC	Automatic Gain Control Hits - 1319
AIN	Advanced Intelligent Network Hits - 1318
AIS	Alarm Indication Signal Hits - 1330
ALAPB	Autosynchronous Link Access Protocol, Balanced Hits - 1373
ALC	Automatic Level Control Hits - 1356
ALI	Automatic Location Identification Hits - 1399
ALN	Adaptive Logic Network Hits - 1440
ALSC	Automatic Level and Slope Control Hits - 1316
ALU	Arithmetic and Logic Unit Hits - 1296
AM	Amplitude Modulation Hits - 1378
AM-VSB	Amplitude Modulation - Vestigial Sideband Hits - 1367
AMI	Alternate Mark Inversion Hits - 1378
AML	Amplitude Modulated Link Hits - 1374
AMLCD	Active Matrix LCD Hits - 1316
AMPS	American Mobile Phone System/Advanced Mobile Phone System Hits - 1300
AMUSE	Advanced Multimedia Services for Residential Users Hits - 1244
ANGA	Annual European trade show for Cable, Broadband and Satellite in Cologne Germany Hits - 1221
ANI	Automatic Number Identification Hits - 1257
ANM	Advanced Network Management Hits - 1183
ANS	Automatic Network Synchronization Hits - 1308
ANS v2	Automatic Network Synchronization version 2 Hits - 1251
ANSI	American National Standards Institute Hits - 1288
ANSU	American National Standards Unit Hits - 1240
AOS	Alternative Operator Services Hits - 1256
APC	Angular Physical Contact Hits - 1200
APD	Avalanche Photo Diode Hits - 1168
API	Application Programming Interface Hits - 1373
APPN	Advanced Peer to Peer Networking Hits - 1148
APS	Automatic Protection Switching Hits - 1304
AQA	Activity Qualified Access Hits - 1198
ARCnet	Advancd Resource Computer Network Hits - 1270
ARM.	Advanced Risc Machines Hits - 1295
ARPA	Advanced Research Projects Agency Hits - 1261
ARQ	Automatic Repeat Request Hits - 1250
ARU	Automatic Response Unit Hits - 1295
ASC	Abnormal Station Code; Automatic Slope Control Hits - 1290
ASCII	American Standard Code for Information Interchange Hits - 1255
ASIC	Application Specific Integrated Circuit Hits - 1313
ASID	Application Specific Integrated Device Hits - 1228
ASK	Amplitude Shift Keying Hits - 1300
ASR	Automatic Send Receive Hits - 1330
ATDM	Asynchronous Time Division Multiplex(er) Hits - 1243
ATE	Automated Test Equipment Hits - 1311
ATIS	Alliance for Telecommunications Industry Solutions Hits - 1299
ATM	Asynchronous Transfer Mode Hits - 1323
ATS	Abstract Test Suite Hits - 1262
ATSC	Advanced Television Systems Committee Hits - 1330
ATV	Advanced Television Hits - 1277
AUI	Attachment Unit Interface (Ethernet - 15 oin) Hits - 1321
AV	Audio-Video Hits - 1312
AVC	Advanced Video Coding Hits - 1328
AVI	Audio Video Interleave (Microsoft) Hits - 1300
AVS	Audio Video Standard Hits - 1206
AWC	Area Wide Center Hits - 1216
AWG	American Wire Gauge Hits - 1234
AWGN	Additive White Gausian Noise Hits - 1138
B-FRAME	Bidirectionally Predictive-coded (B) Pictures Hits - 1296