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Billion 400G
Router
Chapter 5: Troubleshooting
84
Chapter 5: Troubleshooting
If
the
router
is
not
functioning
properly,
first
check
this
chapter
for
simple
troubleshooting
before contacting
the
Help
desk.
Problems starting up the router
Problem Corrective Action
None of the LEDs are on
when you turn on the
router.
Check the connection between the adapter and the router. If the error persists, you
may have a hardware problem. In this case you should contact technical support.
You have forgotten your
router login and/or
password.
T
ry
the
default
login
and
password,
refer
to
Chapter
3.
If
this
fails,
you
can
restore
your
router
to
its
factory
settings
by
holding
the
Reset
button
on
the back
of
your
router
for 6
– 8 seconds.
Problems with the WAN Interface
Problem Corrective Action
Initialization of the PVC
connection (“linesync”)
failed.
Ensure
that
the
telephone
cable
is
connected
properly
from
the
ADSL
p
ort
to
the
wall
jack.
The
ADSL
LED
on
the
front
panel
of
the
router
should
be on.
Check
that
your
VPI,
VCI,
encapsulation
type
and
type
of
multiplexing settings
are
the
same
as
those
provided
by
your
ISP.
Reboot
the
router.
If you
still
have
problems,
you
may
need
to
verify
these
settings
with
your ISP.
Frequent loss of ADSL
linesync
(disconnections).
Ensure
that
all
other
devices
connected
to
the
same
telephone
line
as
your
router
(e.g.
telephones,
fax
machines,
analogue
modems)
have
a
line
filter
connected
between
them
and
the
wall
socket,
and
ensure
that
all
line
filters are
correctly
installed
and
the
right
way
around.
Missing
line
filters
or
line filters
installed
the
wrong
way
around
can
cause
problems
with
your
ADSL connection,
including
causing
frequent
disconnections.
Problems with the LAN Interface
Problem Corrective Action
Can’t ping any PCs on
the LAN.
Check
the
Ethernet
LEDs
on
the
front
panel.
The
LED
should
be
on
for
a port
that
has
a
PC
connected.
If
it
is
off,
check
the
cables
between
your router
and
the
PC.
Make
sure
you
have
uninstalled
any
software
firewall
for troubleshooting.
Verify that the IP address and the subnet mask are consistent between the router
and the workstations.
Most problems can be solved by referring to the Troubleshooting section in the User’s Manual. If you
cannot resolve the problem with the Troubleshooting chapter, please contact the dealer where you
purchased this product.