<s>
The	O
1-Meg	B-Device
Modem	I-Device
in	O
telecommunications	O
was	O
a	O
DSL	B-Device
modem	I-Device
created	O
by	O
Nortel	O
which	O
conforms	O
to	O
the	O
ADSL	O
Lite	O
standard	O
.	O
</s>
<s>
The	O
1-Meg	B-Device
Modem	I-Device
was	O
the	O
first	O
xDSL	O
modem	O
to	O
gain	O
approval	O
and	O
registration	O
under	O
FCC	O
Part	O
68	O
Rules	O
.	O
</s>
<s>
The	O
1-Meg	B-Device
Modem	I-Device
can	O
be	O
deployed	O
up	O
to	O
from	O
the	O
central	O
office	O
providing	O
a	O
downstream	O
bit	O
rate	O
of	O
960	O
kilobits	O
per	O
second	O
(	O
kbit/s	O
)	O
and	O
a	O
maximum	O
upstream	O
rate	O
of	O
120	O
kbit/s	O
over	O
24	O
gauge	O
wire	O
.	O
</s>
<s>
Unlike	O
most	O
ADSL	B-Device
modems	I-Device
which	O
use	O
Asynchronous	O
Transfer	O
Mode	O
(	O
ATM	O
)	O
virtual	O
circuits	O
to	O
carry	O
data	O
,	O
the	O
1-Meg	B-Device
Modem	I-Device
used	O
Ethernet	O
which	O
makes	O
the	O
product	O
easy	O
for	O
most	O
residential	O
users	O
to	O
install	O
themselves	O
but	O
ill-suited	O
for	O
applications	O
that	O
require	O
quality	O
of	O
service	O
to	O
be	O
enforced	O
.	O
</s>
<s>
At	O
the	O
telephone	O
company	O
switch	B-Device
the	O
installation	O
was	O
relatively	O
simple	O
when	O
the	O
switch	B-Device
was	O
a	O
Nortel	O
DMS	B-Protocol
Switch	I-Protocol
.	O
</s>
<s>
The	O
customer	O
's	O
line	O
card	O
must	O
be	O
swapped	O
with	O
a	O
line	O
card	O
that	O
supported	O
the	O
1-Meg	B-Device
Modem	I-Device
and	O
also	O
a	O
card	O
must	O
be	O
added	O
to	O
the	O
drawer	O
that	O
would	O
manage	O
all	O
data	O
from	O
the	O
1-Meg	B-Device
Modem	I-Device
cards	O
in	O
the	O
drawer	O
.	O
</s>
<s>
At	O
the	O
time	O
the	O
modem	O
was	O
released	O
on	O
August	O
8	O
,	O
1997	O
,	O
telephone	O
companies	O
were	O
fearing	O
competition	O
from	O
cable	B-Device
modems	I-Device
.	O
</s>
