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Billion 400G
Router
Chapter 4: Configuration
40
ADSL Mode
Connect Mode:
This
mode
will
automatically
detect
your
ADSL
line
mode,
ADSL2+,
ADSL2,
G.dmt, G.lite,
T1.413,
AnnexM2
or
AnnexM2+.
But
in
some
areas,
multimode
cannot
detect
the
ADSL
line
mode very
well.
If
it
is
the
case,
please
adjust
the
ADSL
line
code
to
G.dmt
first.
If
it
still
fails, please
check
with your
ISP
for
line
connection
information.
Modulation: It will automatically detect capability of your ADSL line mode. Please keep the factory settings unless
ADSL is detected as the symptom of a synchronization problem.
Profile Type: The profile type should be left in the default settings unless the ADSL mode is determined as the
symptom of low link rate or instability problems. If such a problem is encountered, the profile setting may need to be
changed to conform to the different DSLAM in the area.
Activate Line:
Select
false
and
then
select
true
to
activate
any
new
Connect
Mode
settings.
Coding Gain:
This
reduces
the
router’s
transmit
power
and
will
effect
to
router’s
downstream performance.
General,
the
higher
the
gain,
the
higher
the
downstream
rate,
but
sometimes
a
gain
that
is too
high
will
cause
an
unstable
ADSL
connection.
The
configurable
ADSL
coding
gain
is
from
0
dB
to
7dB, or
automatic.