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Managing the Copper Loop in the 21st Century

Glossary

ADF
automated distribution frame

ADSL
asymmetric digital subscriber line

ATM
asynchronous transfer mode

BERT
bit-error-rate testing

CLEC
competitive local exchange carrier

CO
central office

CPE
customer premises equipment

DSL
digital subscriber line

DSLAM
digital subscriber line access multiplexer

FCC
Federal Communications Commission

HPF
high-pass filter

IDC
isolation displacement connector

IDF
intermediate distribution frame

ILEC
incumbent local exchange carrier

IN
intelligent network

INMD
in-service, nonintrusive measurement devices

ISDN
integrated services digital network

LE
line equipment

LMS
loop management system

LPF
low-pass filter

MDF
main distribution frame

NOC
network operations center

OSS
operations support system

POT
point of termination

POTS
plain old telephone service

SDSL
symmetrical digital subscriber line

SLA
service-level agreement

TMN
telecommunications management network

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