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
RADSLCAP
rate-adaptive DSLcompetive 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


