Advantech ER75s, User Manual

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ER75s
8.10.5 Configuration of switching between APNs
At the bottom of configuration it is possible to set rules for switching between two APN’s
on one SIM card.
Item Description
Default SIM card This parameter sets default APN, from which it will try to establish
the connection to mobile network. If this parameter is set to none,
the router launches in offline mode and it is necessary to establish
connection to mobile network via SMS message.
Backup SIM card Defines backup APN, that the router will switch the defining one
of the following rules.
Table 27: Default and backup APN configuration
If parameter Backup SIM card is set to none, then parameters Switch to other SIM card
when connection fails , Switch to backup SIM card when roaming is detected and switch to
default SIM card when home network is detected and Switch to backup SIM card when data
limit is exceeded and switch to default SIM card when data limit isn’t exceeded switch the
router to off-line mode.
Item Description
Switch to other SIM card when
connection fails If connection to mobile network fails, then this parame-
ter ensures switch to secondary APN of the SIM card.
Failure of the connection to mobile network can oc-
cur in two ways. When I start the router, when three
fails to establish a connection to mobile network. Or if
it is checked Check the connection to mobile network,
and is indicated by the loss of a connection to mobile
network.
Switch to backup SIM card when
roaming is detected and switch
to default SIM card when home
network is detected In case that the roaming is detected this parameter
enables switching to secondary APN of the SIM card.
If home network is detected, this parameter enables
switching back to default APN.
For proper operation,
it is necessary to have enabled roaming on your
SIM card!
Switch to backup SIM card when
data limit is exceeded and switch
to default SIM card when data
limit isn’t exceeded This parameter enables switching to secondary APN
of the SIM card, when the data limit of default APN
is exceeded. This parameter also enables switching
back to default APN, when data limit is not exceeded.
Switch to default SIM card after
timeout This parameter defines the method, how the router will
try to switch back to default APN.
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