Acronyms in networking starting with 'A'

AAL ATM Adaptation Layer
ABATS Automated Bit Access Test System
ABM Accunet Bandwidth Manager (AT&T)
ABR Available Bit Rate
AC Access Control
AC Address Copied
AC Alternating Current
AC Authentication Center
ACD Automatic Call Distributor
ACELP Algebraic Code Excited Linear Predictive
ACK Acknowledge
ACL Asynchronous Connectionless
ACP Access Control Point
ACPI Advanced Configuration and Power Interface
ADA Americans with Disabilities Act
ADC Analog to Digital Converter
ADCR Alternate Destination Call Routing (AT&T)
ADM Add-Drop Multiplexer
ADN Advanced Digital Network (Pacific Bell)
ADPCM Adaptive Differential Pulse Code Modulation
ADSI Active Directory Services Interface
ADSL Asymmetrical Digital Subscriber Line
AFLC Adaptive Frame Loss Concealment
AFP Apple File Protocol
AGRAS Air-Ground Radiotelephone Automated Service
AIOD Automatic Identification of Outward Dialed calls
AIN Advanced Intelligent Network
AJBM Automatic Jitter Buffer Management
ALI Automatic Location Information
AM Amplitude Modulation
AMI Alternate Mark Inversion
AMPS Advanced Mobile Phone Service
ANI Automatic Number Identification
ANR Automatic Network Routing (IBM Corp.)
ANSI American National Standards Institute

ANT ADSL Network Terminator
AO/DI Always On/Dynamic ISDN
AOL America Online
AP Access Point
APC Access Protection Capability (AT&T)
APD Avalanche Photo Diode
API Application Programming Interface
APPC Advanced Program-to-Program Communications (IBM Corp.)
APPN Advanced Peer-to-Peer Network (IBM Corp.)
APC Automatic Protection Switching
ARCnet Attached Resource Computer Network (Datapoint Corp.)
ARB Adaptive Rate Based (IBM Corp.)
ARP Address Resolution Protocol
ARPA Advanced Research Projects Agency
ARQ Automatic Repeat Request
ARS Action Request System (Remedy Systems Inc.)
AS Autonomous System
ASCII American Standard Code for Information Interchange
ASIC Application-Specific Integrated Circuit
ASN. 1 Abstract Syntax Notation 1
ASTN Alternate Signaling Transport Network (AT&T)
AT&T American Telephone & Telegraph
ATE Advanced Television Enhancement
ATIS Alliance for Telecommunications Industry Solutions (formerly, ECSA)
ATM Asynchronous Transfer Mode
ATSC Advanced Television Systems Committee
ATVEF Advanced Television Enhancement Forum
AUI Attachment Unit Interface
AWG American Wire Gauge

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