The ADSL Glossary Page

 

A

AA = Access Adaptor

ADSL = Asymmetric Digital Subscriber Line

ADSL = Asymmetric Digital Subscriber Loop

ANSI = American National Standards Institute

ANT = ADSL Network Termination

ATM = Asynchronous Transfer Mode

 

B

BER = Bit Error Rate

B-ISDN = Broadband-Integrated Services Digital Network

 

C

CDSL = Co-axial Digital Subscriber Line

CLEC = Competitive Local Exchange Carrier

CMV = Configuration and Management Variables

CPE = Customer Premises Equipment

CSA = Carrier Service Area

 

D

DAML = Digital Added Main Line

DBE = Digital Back End

DDS = Digital Distribution Shelf

DIA = Digital Interface Area

DIA = Digital Interface ASIC

DMT = Discrete Mulit-Tone

DP = Distribution Point

DSL = Digital Subscriber Line

DSLAM = Digital Subscriber Line Access Multiplexer

DSP = Digital Signal Processor

DWMT = Discrete Wavelet Multi-Tone

 

E

ETSI = European Telecommunications Standards Institute

 

F

FDEQ = Frequency Domain Equalizer

FEC = Forward Error Correction

FEXT = Far End Crosstalk

FFT = Fast Fourier Transform

FIFO = First In First Out

FPGA = Field Programmable Gate Array

FSN = Full Service Network

FTTC = Fibre To The Curb

FTTH = Fibre To The Home

 

H

HBARM = High Bandwidth Access Resource Manager

HDT = Host Digital Terminal

HDSL = High-bit-rate Digital Subscriber Line

HFC = Hybrid Fibre Coax

 

I

IDSL = ISDN Digital Subscriber Line

IFFT = Inverse Fast Fourier Transform

ILECS = Incumbent Local Exchange Carriers

IMACS = Integrated Multiple Access Server

IPRE = IP Routing Engine

IXC = Inter eXchange Carrier

 

L

LEC = Local Exchange Carrier

LT = Line Termination

 

M

MDF = Main Distribution Frame

ME = Management Entity

MP = Messaging Protocol

 

N

NEXT = Near End Crosstalk

NID = Network Interface Device

NII = National Information Infrastructure

N-ISDN = Narrowband-Integrated Services Digital Network

NML = Near Maximum Likelihood

NT = Network Termination

NTU = Network Terminating Unit

 

O

ONU = Optical Network Unit

 

P

PCP = Primary Connection Point

POTS = Plain Old Telephone Service

PPP = Point to Point Protocol

PPS = Packets Per Second

PPTP = Point to Point Tunnelling Protocol

PSTN = Public Switched Telephone Network

 

Q

QAM = Quadrature Amplitude Modulation

 

R

RADSL = Rate Adaptive Digital Subscriber Line

RAS = Remote Access Server

ROADS = Robust Open Architecture Distributed Switching

 

S

SDSL = Symmetric Digital Subscriber Line

SHARC = Super Harvard Architecture Computer

SNR = Signal to Noise Ratio

 

T

TDEQ = Time Domain Frequency Equalizer

ICL = Transfer Interface Control Logic

 

U

UART = Universal Asyncronous Receiver Transmitter

 

V

VCXO = Voltage Controlled Xtal Oscillator

VoD = Video on Demand

VDSL = Very High data rate Digital Subscriber Line

W

WAN = Wide Area Network

 

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