SmartFlex
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Item Description
Switch to other SIM
card when connec-
tion fails
Applicable only when connection is established on the default
SIM card and then fails. If the connection failure is detected by
Check Connection feature above, the router will switch to the
backup SIM card.
Switch to default SIM
card after timeout
If enabled, after timeout, the router will attempt to switch back
to the default SIM card. This applies only when there is default
SIM card defined and the backup SIM is selected beacuse of a
failure of the default one or if roaming settings cause the switch.
This feature is available only when Switch to other SIM card when
connection fails is enabled.
Initial Timeout Specifies the length of time that the router waits before the first at-
tempt to revert to the default SIM card, the range of this parameter
is from 1 to 10000 minutes.
Subsequent Timeout Specifies the length of time that the router waits after an unsuc-
cessful attempt to revert to the default SIM card, the range is from
1 to 10000 min.
Additive Constant Specifies the length of time that the router waits for any further
attempts to revert to the default SIM card. This length time is the
sum of the time specified in the "Subsequent Timeout" param-
eter and the time specified in this parameter. The range in this
parameter is from 1 to 10000 minutes.
Table 27: Parameters for SIM card switching
Specific behavior of Smar tFlex SR305 routers connected to Verizon carr ier described in
Chapter 4.3.3 applies on SIM cards switching, too. (It is single cellular module.)
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