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Billion 800VGT Router
ADSL
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
connect
information.
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.
Tx
Attenuation:
This
is
the
ADSL
transmission
power
that
the
modem
is
using.
The
lower
the
power
the
better
performance
in
router’s
upstream.
Configurable
value
is
between
0~12.
DSP
Firmware
Version:
Current
ADSL
line
code
firmware
version.
Connected:
Display
current
ADSL
line
sync
status.
Operational
Mode:
Display
current
ADSL
mode
standard
(Operational
Mode)
that
your
Router
is
using
when
ADSL
line
has
sync.
Annex
Type:
ADSL
Annex
A,
which
works
over
a
standard
telephone
line.
Annex
B,
which
works
over
an
ISDN
line.
In
South
Africa,
we
always
use
Annex
A
Upstream:
Display
current
upstream
rate
of
your
ADSL
line.
Downstream:
Display
current
downstream
rate
of
your
ADSL
line.
50
Chapter
4:
Configuration