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To: Stephen B. Temple who wrote (1951)11/24/1998 8:44:00 AM
From: Stephen B. Temple  Read Replies (2) | Respond to of 3178
 
BellSouth to give a taste of DSL.Lite

November 24, 1998

Network World: BellSouth next month will run digital
subscriber line (DSL) gear through its
paces to find out just what it takes to
offer up easy-t o-install broadband
Internet access over regular phone lines.

The carriers will trial DSL hardware that
integrates directly with telephone voice
switches made by Lucent. The point of
the exercise is to find out the pros and
cons of handling DSL lines directly on the
switches vs. using a DSL access
multiplexer (DSLAM) in front of the
switches.

BellSouth has committed to using DSLAMs
made by Alcatel, but in some
circumstances it may make more sense to
have the customer's DSL lines terminate
directly on the shelf of a Lucent 5ESS
switch, according to John Cahill, director
of advanced networking for BellSouth.
That will depend on a variety of
circumstances including the type of
switch available near the customer's site.

Later, BellSouth will trial customer
modems in conjunction with the Lucent
switches. Those customer modems will
support the new universal ADSL standard
that was recently approved by the
International Telecommunications Union.

UADSL, also called DSL.Lite, runs at less
than the maximum ADSL speed, but can
be installed without using an extra piece
of hardware known as a splitter. Installing
a splitter requires a site visit from a
technician, this represents an expense
carriers would like to avoid.

BellSouth will trial customer DSL modems
from 3Com and Compaq to find out how
well they interoperate with the phone
switch and also to find out how wiring in
homes affects the quality of the DSL
connection.

The trials are being run in cooperation
with the University of Miami. About 50
students and 50 faculty members all
within a few mile s of the campus, will
use the DSL lines to connect to the
university network, according to Lewis
Temares, dean of the college of eng
ineering at the university.

<<Network World -- 11-18-98>>

[Copyright 1998, Network World]