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M2M
Cellular
Gateway
Index
skipping
is
used
to
reserve
slots
for
new
function
insertion,
when
required.
65
Cellular
Network
WAN
‐
1:
ADSL
ISP
DSLAM
Gateway
WAN
‐
2:
3G/4G
②
Failover
①
Disconnected
③
Change Routing via WAN-2
Cellular
Network
WAN
‐
1:
ADSL
ISP
DSLAM
Gateway
WAN
‐
2:
3G/4G
⑥
Failback: Change
Routing back via WAN-1
④
Connection Back
⑤
Leave it Keep Alive
Failover
Failback
Dual
SIM
Failover
Scenario:
If
your
purchased
product
has
one
or
more
embedded
3G/LTE
module,
and
they
have
dual
SIMs
to
be
used
as
connection
profiles
to
connect
to
mobile
system
for
each
3G/LTE
module.
But
please
be
noted,
only
one
SIM
card
is
used
for
a
3G/LTE
module.
Failover
and
Seamless
Failover
scenarios
mentioned
above
are
interacted
between
multiple
interfaces.
One
embedded
3G/LTE
module
creates
only
one
WAN
interface,
even
it
has
dual
SIMs.
A
special
failover
mechanism
between
using
both
SIM
cards
to
connect
to
mobile
system
is
presented
here.
It
is
called
as
Dual
SIM
Failover.
In
this
Dual
SIM
Failover,
there
are
four
kinds
of
SIM
card
usage
scenarios,
including
"SIM
‐
A
First",
"SIM
‐
B
First“,
and
“SIM
‐
A
Only
and
“SIM
‐
B
Only”.
By
default,
“SIM
‐
A
First”
scenario
is
used
to
connect
to
mobile
system
for
data
transfer.
So
in
the
case
when
“SIM
‐
A
Only”
or
“SIM
‐
B
Only”
is
used,
the
specified
SIM
slot
card
is
the
only
one
to
be
used
for
negotiation
parameters
between
gateway
device
and
mobile
base
station.
However,
in
the
case
of
“SIM
‐
A
First”
or
“SIM
‐
B
First”
scenario,
the
gateway
will
try
to
connect
to
the
Internet
by
using
SIM
‐
A
or
SIM
‐
B
card
first.
And
when
the
connection
is
broken,
gateway
system
will
switch
to
use
the
other
SIM
card
for
an
alternate
automatically
and
will
not
switch
back
to
use
original
SIM
card
except
current
SIM
connection
is
also
broken.
That
is,
SIM
‐
A
and
SIM
‐
B
are
used
iteratively,
but
either
one
will
keep
being
used
for
data
transfer
when
current
connection
is
still
alive.
Following
3
tables
list
the
parameter
configuration
for
the
Dual
SIM
failover
scenario.
Other
settings
that
don't
show
out
in
the
tables,
please
leave
them
as
default
values.
Содержание IDG701AM-0T001
Страница 1: ...M2M Cellular Gateway IDG701AM 0T001 User Manual...
Страница 202: ...M2M Cellular Gateway Index skipping is used to reserve slots for new function insertion when required 202...
Страница 305: ...M2M Cellular Gateway Index skipping is used to reserve slots for new function insertion when required 305...