Modbus
Cellular
Gateway
Index
skipping
is
used
to
reserve
slots
for
new
function
insertion,
when
required.
72
Gateway
xDSL
Modem
ISP
DSLAM
Intranet
Primary
DNS,
Secondary
DNS,
DHCP
Servers
①
Connect Button
②
Start Connecting
③
Disconnect when
idle timeout
Manually
Its
steps
are:
Pre
‐
state:
After
system
booting
up,
the
WAN
connection
is
disconnected.
S
1:
When
administrator
click
on
the
"Connect"
button
on
the
"Network
Status"
configuration
window.
S
2:
System
starts
to
make
the
WAN
connection
till
connect
successfully.
Keep
the
connection
alive
only
when
there
still
is
data
transfer
to
the
Internet.
S
3:
If
the
WAN
connection
idles
timeout,
system
will
disconnect
it
and
return
to
its
Pre
‐
state.