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Digital Subscriber Line Access Multiplexer (DSLAM)

Glossary

ADSL
asymmetrical DSL

ATM
asynchronous transfer mode

CLEC
competitive local exchange carrier

CO
central office

CPE
customer premises equipment

DLC
digital loop carrier

DMT
discrete multitone

DS
digital signal

DSL
digital subscriber line

DSLAM
digital subscriber line access multiplexer

EF&I
engineering, furnishing, installation

IAD
integrated access device

IDC
International Data Corporation

IDSL
integrated services digital network DSL

IETF
International Engineering Task Force

ILEC
incumbent local exchange carrier

IP
Internet protocol

ISDN
integrated services digital network

ISP
Internet service provider

LAN
local-area network

MDU
multidwelling unit

MPLS
multiprotocol labeling system

NE
network element

NEBS
network equipment building standards

NIC
network interface card

NOC
network operations center

OC
optical carrier

PoP
point of presence

POTS
plain old telephone service

PSTN
public switched telephone network

QoS
quality of service

RADSL–CAP
rate-adaptive DSL–competive access provider

RLCS
remote line-card shelf

SDSL
symmetrical DSL

SMEs
small- and medium-sized entities

SMS
subscriber management system

SOHO
small office home office

TDM
time division multiplex

VOD
video on demand

VoDSL
voice over DSL

VPN
virtual private network

WWW
World Wide Web

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