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Glossary
| Term | Definition |
|---|---|
| 0VR | Zero Volt Return Hits: 1296 |
| 2B+D | Two Bearer Plus Data Hits: 1210 |
| 2B1Q | 2 Binary 1 Quaternary Hits: 1278 |
| 2FSK | Binary Frequency Shift Keying Hits: 1347 |
| 3G | 3rd Generation Hits: 1307 |
| 4G | 4th Generation Hits: 1300 |
| 4WTO | 4-Wire Transmission Only Hits: 1408 |
| A/D | Analog-to-Digital converter Hits: 1340 |
| AAB | Auto Answer Back Hits: 1307 |
| AAC | Advanced Audio Coding Hits: 1338 |
| AACS | Advanced Access Content System Hits: 1300 |
| AAL's | ATM Adaption Layers Hits: 1366 |
| AAM | Audio Adaptor Modules Hits: 1373 |
| AAR | Automatic Alternative Route Hits: 1306 |
| ABI | Application Binary Interface (Unix) Hits: 1378 |
| ABM | Adaptive Bandwidth Management Hits: 1573 |
| ABR | Available Bit Rate Hits: 1308 |
| AC | Alternating Current Hits: 1416 |
| AC-3 | Audio Codec 3 Hits: 1369 |
| ACC | Advanced Computer Communications Hits: 1367 |
| ACD | Automatic Call Distribution Hits: 1303 |
| ACIA | Asynchronous Communications Interface Adaptor Hits: 1344 |
| ACK | Acknowledge ( char06 - 06H ) Hits: 1378 |
| ACM | Audio Compressor Module Hits: 1402 |
| ACO/LT | Alarm Cut Off / Lamp Test Hits: 1306 |
| ACP | Adjacent Channel Power Hits: 1302 |
| ACR | Attenuation to Crosstalk Ratio Hits: 1294 |
| ACT | Absolute Congestion Threshold Hits: 1286 |
| ADC | Analogue to Digital Converter Hits: 1338 |
| ADCCMP | Advanced data Communications Control Procedures (ANSI X3,66) Hits: 1285 |
| ADI | Automatic or Alternate Digit Inversion Hits: 1337 |
| ADM | Add/Drop Multiplex Hits: 1293 |
| ADP | Automatic Data Processing Hits: 1262 |
| ADPCM | Adaptive Differential Pulse Code Modulation Hits: 1244 |
| ADSI | Analogue Display Services Interface Hits: 1314 |
| ADSL | Asymmetric Digital Subscriber Line Hits: 1236 |
| ADX | Automatic Data Exchange Hits: 1285 |
| AE | Aerial Hits: 1268 |
| AES/EBU | Audio Engineering Society/European Broadcasting Union Hits: 1268 |
| AF | Audio Frequency Hits: 1289 |
| AFC | Automatic Frequency Control Hits: 1300 |
| AFD | Active Format Descriptor Hits: 1311 |
| AFT | Automatic Fine Tuning Hits: 1300 |
| AGC | Automatic Gain Control Hits: 1247 |
| AIN | Advanced Intelligent Network Hits: 1254 |
| AIS | Alarm Indication Signal Hits: 1264 |
| ALAPB | Autosynchronous Link Access Protocol, Balanced Hits: 1307 |
| ALC | Automatic Level Control Hits: 1284 |
| ALI | Automatic Location Identification Hits: 1331 |
| ALN | Adaptive Logic Network Hits: 1372 |
| ALSC | Automatic Level and Slope Control Hits: 1253 |
| ALU | Arithmetic and Logic Unit Hits: 1234 |
| AM | Amplitude Modulation Hits: 1306 |
| AM-VSB | Amplitude Modulation - Vestigial Sideband Hits: 1297 |
| AMI | Alternate Mark Inversion Hits: 1305 |
| AML | Amplitude Modulated Link Hits: 1301 |
| AMLCD | Active Matrix LCD Hits: 1251 |
| AMPS | American Mobile Phone System/Advanced Mobile Phone System Hits: 1237 |
| AMUSE | Advanced Multimedia Services for Residential Users Hits: 1180 |
| ANGA | Annual European trade show for Cable, Broadband and Satellite in Cologne Germany Hits: 1159 |
| ANI | Automatic Number Identification Hits: 1185 |
| ANM | Advanced Network Management Hits: 1118 |
| ANS | Automatic Network Synchronization Hits: 1248 |
| ANS v2 | Automatic Network Synchronization version 2 Hits: 1195 |
| ANSI | American National Standards Institute Hits: 1228 |
| ANSU | American National Standards Unit Hits: 1182 |
| AOS | Alternative Operator Services Hits: 1194 |
| APC | Angular Physical Contact Hits: 1145 |
| APD | Avalanche Photo Diode Hits: 1111 |
| API | Application Programming Interface Hits: 1308 |
| APPN | Advanced Peer to Peer Networking Hits: 1091 |
| APS | Automatic Protection Switching Hits: 1243 |
| AQA | Activity Qualified Access Hits: 1140 |
| ARCnet | Advancd Resource Computer Network Hits: 1209 |
| ARM. | Advanced Risc Machines Hits: 1236 |
| ARPA | Advanced Research Projects Agency Hits: 1205 |
| ARQ | Automatic Repeat Request Hits: 1185 |
| ARU | Automatic Response Unit Hits: 1230 |
| ASC | Abnormal Station Code; Automatic Slope Control Hits: 1228 |
| ASCII | American Standard Code for Information Interchange Hits: 1197 |
| ASIC | Application Specific Integrated Circuit Hits: 1245 |
| ASID | Application Specific Integrated Device Hits: 1168 |
| ASK | Amplitude Shift Keying Hits: 1227 |
| ASR | Automatic Send Receive Hits: 1275 |
| ATDM | Asynchronous Time Division Multiplex(er) Hits: 1177 |
| ATE | Automated Test Equipment Hits: 1248 |
| ATIS | Alliance for Telecommunications Industry Solutions Hits: 1237 |
| ATM | Asynchronous Transfer Mode Hits: 1265 |
| ATS | Abstract Test Suite Hits: 1203 |
| ATSC | Advanced Television Systems Committee Hits: 1273 |
| ATV | Advanced Television Hits: 1212 |
| AUI | Attachment Unit Interface (Ethernet - 15 oin) Hits: 1253 |
| AV | Audio-Video Hits: 1253 |
| AVC | Advanced Video Coding Hits: 1267 |
| AVI | Audio Video Interleave (Microsoft) Hits: 1238 |
| AVS | Audio Video Standard Hits: 1152 |
| AWC | Area Wide Center Hits: 1160 |
| AWG | American Wire Gauge Hits: 1177 |
| AWGN | Additive White Gausian Noise Hits: 1076 |
| B-FRAME | Bidirectionally Predictive-coded (B) Pictures Hits: 1228 |
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