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Telecom Acronym Guide

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Telecom Acronym Guide Telecom Acronym Guide Fourth Edition Telecom Acronym Guide Fourth Edition Numerics ACAC Actual Call Admission Control 2F Two-fiber ACEG Alternating Current Equipment Ground 10 GbE 10 Gigabit Ethernet ACK Acknowledge 10 GFC 10 Gigabit Fibre Channel (Same as FC1200) ACL Active Control List; Access Control List 100G 100 Gigabits ACO Alarm Cutoff 16-QAM 16 (points) Quadrature Amplitude Modulation ACQ Acquire 3D Three-dimensional ACR Allowed Cell Rate 3G Third Generation ACS Automatic Channel Shutdown; Alarm Correlation and Suppression 3GPP Third Generation Partnership Project ACSE Association Control Service Element 40G 40 Gigabits ACSS Automatic Channel Shutdown Suppression; 4C Consortium of Intel, IBM, Matsushita, and Toshiba Automatic Channel Shutdown State 4F Four-fiber ACT Active 4G Fourth Generation ADC Analog-to-Digital Converter; Add/Drop Coupler 5C Consortium of Intel, Sony, Matsushita, Toshiba, ADI Asset Distribution Interface and Hitachi ADM Add/Drop Multiplexer 5G Fifth Generation ADP Actual Departure Potential; Automatic A Data Processing ADSL Asymmetric Digital Subscriber Line A/D Analog-to-digital ADT Actual Departure Time; Automatic AAL ATM Adaptation Layer Data Transmission AAL0 ATM Adaptation Layer Type 0 AE Automation Engine; Automation Environment A AL1 ATM Adaptation Layer Type 1 AES Advanced Encryption Standard; AAL2 ATM Adaptation Layer 2 Transport Application Environment Specific AAL3/4 ATM Adaptation Layer Types 3 and 4 AESA ATM End System Address; ATM End Station AAL5 ATM Adaptation Layer 5 Address ABR Available Bit Rate AF Application Function ABT Advanced BiCMOS Technology AFI Authority and Format Identifier AC Alternating Current; Administrative Complex; AFM APS Mode Mismatch Failure Atomic Clock AGC Automatic Gain Control; Access Group Controller AC-3 Audio Coding Revision 3 2 AGGR Aggregate ASE Amplified Spontaneous Emission; AID Access Identifier; Application Identifier Application Service Element AIM Auto Image Management; Active Inventory Map ASI Asynchronous Serial Interface; Asynchronous SCSI Interface AIN Advanced Intelligent Network ASIC Application-Specific Integrated Circuit AINI ATM Inter-Network Interface ASN.1 Abstract Syntax Notation One AINS Automatic in Service State ASP Applications Service Provider; AIR Additive Increase Rate Average Selling Price AIS Alarm Indication Signal ASYNC Asynchronous AISDP Alarm Indication Signal Decay Period AT Advanced Technology AISIP Alarm Indication Signal Integration Period AT&T American Telephone and Telegraph Company AIS-L Alarm Indication Signal - Line ATA Advanced Technology Attachment AIS-P Alarm Indication Signal - Path AIS-S Alarm Indication Signal - Section ATAF ATM Test Access Function AIS-V VT Alarm Indication Signal ATAG Autonomous Tag ALS Automatic Laser Shutdown; Application ATAGSEQ Autonomous Tag Sequence Layer Service ATC Alarm Traffic Controller AM Amplitude Modulation; Application Manager ATDMA Asynchronous Time Division Multiple Access AMF APS Mode Mismatch Failure A-TDMA Advanced Time Division Multiple Access AMI Access Method Interface; Alternate Mark ATM Asynchronous Transfer Mode Inversion ATM SAM ATM Service Access Multiplexer AMP Amplifier; Amperes ATMVCL ATM Virtual Channel Link AMS Asset Management System; Agent Management ATMVPL ATM Virtual Path Link System ATTN Attenuator AN Access Network AU/AU-x Administrative Unit ANSI American National Standards Institute AUG Administrative Unit Group AO Autonomous Output AUI Autonomous Unit Interface AOD Advertising on Demand AU-n Administrative Unit n APC Angled Physical Contact AUSF Authentication Server Function APD Avalanche PhotoDiode AUX Auxiliary API Application Program Interface AVC Attribute Value Change APS Automatic Protection Switching AVOD Advertising VOD APSBF Automatic Protection Switching Byte Failure AWG American Wire Gauge APSCM Automatic Protection Switching AWGN Additive White Gaussian Noise Channel Mismatch APSMM Automatic Protection Switching Mode Mismatch B AR Augmented Reality B/P Backplane ARC Alarm Reporting Control B3ZS Bipolar With 3-Zero Substitution ARP Address Resolution Protocol B6ZS Bipolar With 6-Zero Substitution ARPU Average Revenue per Unit (or User) B8ZS Bipolar With 8-Zero Substitution AS Autonomous System BA Booster Amplifier ASAP Alarm Severity Assignment Profile BB Broadband ASCII American Standard Code for BBE Background Block Error Information Interchange BBER Background Block Error Ratio ASD Access Security Device 3 BBE-RS Background Block Error Regenerator Section BPMN Business Process Modeling Notation (an SDH regenerator section error) B-PON Broadband Passive Optical Network BBU Base Band Unit BPP Backplane Protocol BC Business Continuity; Broadcast bps bits per second BCD Binary-Coded Decimal BPSR Bidirectional Path Switched Ring BCST Broadcast BPT Band Pass-Through B-DCS Broadband Digital Cross-connect System BPV BiPolar Violations BDFB Battery Distribution Fuse Bay; Battery Distribution B-RAS Broadband Remote Access Server Fuse Board BRI Basic Rate Interface BDR Broadband Digital Return BRM Backward RM BE Block Error; Best Effort BSC Board SC Connector BECN Backward Explicit Congestion Notification BSP Board Support Package BELLCORE BELL Communications Research, Inc. BSS Business Support System BER Bit Error Rate BT British Telecom; Burst Tolerance BE-RS Block Errors-Regenerative Section Btag Beginning Tag BER-SD-P Path Signal Degrade BER BTM Bits Termination Circuit Pack BER-SF-P Path Signal Failure BER BTO Build Transfer Operate BERT Bit Error Rate Test BTS Business Telecom Services BFP Back Facet Power; Basic Format Packet BTU/hr British Thermal Unit per hour BGP Border Gateway Protocol BW Bandwidth BGP4 Border Gateway Protocol, version 4 BWDM Band Wavelength Division Multiplexer BICI Broadband Inter-Carrier Interfaces; BYT Total Byte Count B-ISDN Inter-carrier Interface BICSI Building Industry Consulting Services International C BIOS Basic Input/Output System C Celsius; Critical BIP Bit Interleaved Parity; Breaker Interface Panel C/I Carrier-to-Interface Ratio B-ISDN Broadband ISDN C/N Carrier-to-Noise Ratio BIT Built-In Test; Binary Digit C2O Cable to Optic BITS Building Integrated Timing System CA Content Archived; Carrier Access bits/sym Bits per Symbol CAA Centralized Access Architecture BLSR Bidirectional Line Switched Ring CAB Conformity Assessment Body BML Business Management Layer CAC Connection Admission Control; BNC Bayonet Neill-Concelman British National Call Admission Control Connector CAD Computer Aided Design BOC Bell Operating Company CALA Central America and Latin America BOD Bandwidth on Demand CAM Content Addressable Memory BOL Beginning of Life CANARIE Canadian Network for Advancement of Research BOM Bill of Materials CAP Competitive Access Provider BONDING Bandwidth On Demand Interoperability Group CAPEX Capital Expenditure BOOTP Bootstrap Protocol CAS Channel Associated Signaling BP Backplane CATV Community Antenna Television; Cable Television BPI Baseline Privacy Interface CB, C/B Circuit Breaker BPI+ Baseline Privacy Interface Plus C-Band Conventional Band BPM Business Process Modeling 4 CBDS Connectionless Broadband Data Service CID Circuit Identification; Craft Interface Device CBN Common Bonding Network CIF Client Interface CBR Constant Bit Rate CIFS Common Internet File System CC Cross Connection; Clear Channel; Calling Centers CIM Client Interface Module CCAF Call Control Agent Function, IN block CIN Converged Interconnect Network CCAP Converged Cable Access Platform CINOT Ciena Optical Transport System CCB Configuration Control Board CIT Craft Interface Terminal; Craft Interface Tool CCC Cross Connect Controller CL Coupling Loss; Cleared CCC768 Cross Connect Fabric with 768x768 STS-1 capacity CLASS Custom Local Area Signalling Services CCCG Cross Connection and Control Group CLEC Competitive Local Exchange Carrier CCC-PC CCC Processor Card CLEI Common Language Equipment Identifier CCDF Complementary Cumulative Distribution Function CLFI Common Language Facility Identifier CCI Content Control Information CLI Command Line Interface CCITT Consultative Committee on International CLIP Calling Line Identification Presentation Telegraphy and Telephony CLIR Calling Line Identification Restriction CCK Complimentary Code Keying CLLI Common Language Location Identifier CCW Counterclockwise CLNP Connectionless Network Layer Protocol CDE Common Desktop Environment (UNIX) CLNS Connectionless Network Service CDMA Code Division Multiple Access CLP Cell Loss Priority CDN Content Delivery Network CLR Cell Loss Ratio CDP Contracted Deadline Potential CLTP Connectionless Transport Protocol CDR Call Detail Recording; Clock and Data Recovery cm centimeter CD-ROM Compact Disc Read Only Memory CM Control Module; Cable Modem CDT Connection Dropping Threshold CMAP Converged Multiservice Access Platform CDTS Chromatic Dispersion Test Set CMC Coaxial Media Converter CDV Cell Delay Variation CM-CLI Control Module Command Line Interface CDVT Cell Delay Variation Tolerance CME Compressed Multiplication Equipment CD-WO Compact Disc - Write One CMF Channel Mismatch Failure; CE Consumer Electronics Client Management Frame CEA Consumer Electronics Association CMIP Common Management Information Protocol CELP Code Excited Linear Predictive CMIS Common Management Information Services CER Cell Error Ratio; Codeword Error Ration CMISE Common Management Information CES Circuit Emulation Service Service Element CESAR Converged Edge Services Access Router CMR Cell Misinsertion Rate CEV Controlled Environmental Vault CMS Call Management
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