Table of Contents:

Definition and Overview

1. History of Subscriber Carriers

2. Early Next-Generation Digital Loop Carriers

3. Next-Generation Digital Loop Carriers for Rural and Suburban Applications

4. NGDLC Applications

5. Future Directions

6. Economics

7. The Multiservice DLC

Self-Test

Glossary

PDF of this tutorial

ATM
asynchronous transfer mode

DDS
digital data services

DLC
digital loop carrier

HDSL
high bit-rate digital subscriber line

HDTV
high-definition TV

HFC
hybrid fiber/coax

ISDN
integrated synchronous digital network

ISP
Internet service providers

LAN
local-area network

NGDLC
next-generation digital loop carrier

POTS
plain old telephone service

RF
radio frequency

SONET
synchronous optical network

TDM
time division multiplexing

VLSI
very-large-scale integration