Business
Cellular
Modem
Index
skipping
is
used
to
reserve
slots
for
new
function
insertion,
when
required.
23
3.1.2
Internet
Setup
After
specifying
the
physical
interface
for
each
WAN
connection,
administrator
must
configure
their
connection
profile
to
meet
the
dial
in
process
of
ISP,
so
that
all
client
hosts
in
the
Intranet
of
the
gateway
can
access
the
Internet.
In
"Internet
Setup"
page,
there
are
some
configuration
windows:
"Internet
Connection
List",
"Internet
Connection
Configuration",
"WAN
Type
Configuration"
and
related
configuration
windows
for
each
WAN
type.
For
the
Internet
setup
of
each
WAN
interface,
you
must
specify
its
WAN
type
of
physical
interface
first
and
then
its
related
parameter
configuration
for
that
WAN
type.
After
clicking
on
the
"Edit"
button
of
a
physical
interface
in
"Internet
Setup
List"
window,
the
"Internet
Connection
Configuration"
window
will
appear
to
let
you
specify
which
kind
of
WAN
type
that
you
will
use
for
that
physical
interface
to
make
an
Internet
connection.
Based
on
your
chosen
WAN
type,
you
can
configure
necessary
parameters
in
each
corresponding
configuration
window.
Internet
Connection
–
3G/4G
WAN
Preferred
SIM
Card
–
Dual
SIM
Fail
Over
For
3G/4G
embedded
device,
one
embedded
cellular
module
can
create
only
one
WAN
interface.
This
device
has
featured
by
using
dual
SIM
cards
for
one
module
with
special
fail
‐
over
mechanism.
It
is
called
Dual
SIM
Failover.
This
feature
is
useful
for
ISP
switch
over
when
location
is
changed.
Within
“Dual
SIM
Failover”,
there
are
various
usage
scenarios,
including
"SIM
‐
A
First",
"SIM
‐
B
First“
with
“Failback”
enabled
or
not,
and
“SIM
‐
A
Only
and
“SIM
‐
B
Only”.
SIM
‐
A/SIM
‐
B
only
:
When
“SIM
‐
A
Only”
or
“SIM
‐
B
Only”
is
used,
the
specified
SIM
slot
card
is
the
only
