Modbus
Cellular
Gateway
Index
skipping
is
used
to
reserve
slots
for
new
function
insertion,
when
required.
359
7.1.5
Network
Scan
"Network
Scan"
function
can
let
administrator
specify
the
device
how
to
connect
to
the
mobile
system
for
data
communication
in
each
3G/4G
interface.
For
example,
administrator
can
specify
which
generation
of
mobile
system
is
used
for
connection,
2G,
3G
or
LTE.
Moreover,
he
can
define
their
connection
sequence
for
the
gateway
device
to
connect
to
the
mobile
system
automatically.
Administrator
also
can
scan
the
mobile
systems
in
the
air
by
manual,
select
the
target
operator
system
and
apply
it.
The
manual
scanning
approach
is
used
for
problem
diagnosis;
however,
the
gateway
system
will
scan
the
mobile
system
automatically
during
normal
operation.
In
"Network
Scan"
page,
there
are
two
windows
for
the
Network
Scan
function.
The
"Configuration"
window
can
let
you
select
which
3G/4G
module
(physical
interface)
is
used
to
perform
Network
Scan,
and
system
will
show
the
current
used
SIM
card
in
the
module.
You
can
configure
each
3G/4G
WAN
interface
by
executing
the
network
scanning
one
after
another.
You
can
also
specify
the
connection
sequence
of
the
targeted
generation
of
mobile
system,
2G/3G/LTE.
The
second
window
is
the
"Network
Provider
List"
window
and
it
appears
when
the
"Scan
Approach"
is
Manually
is
selected
in
the
Configuration
window.
By
clicking
on
the
"Scan"
button
and
wait
for
1
to
3
minutes,
the
found
mobile
operator
system
will
be
displayed
for
you
to
choose.
Click
again
on
the
"Apply"
button
to
drive
system
to
connect
to
that
mobile
operator
system
for
the
dedicated
3G/4G
interface.
The
Network
Scan
function
allow
user
to
set
band,
network
type
or
specific
ISP
to
register.
