Interfaces WideArea Networks(WANs)
IX20 User Guide
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6. For Match modem by, select the matching criteria used to determine if thismodem
configuration appliesto the currently attached modem:
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Any modem: Applies this configuration to any modem that isattached.
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IMEI: Applies this configuration only to a modem that matches the identified IMEI.
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If IMEI is selected, for Match IMEI, type the IMEI of the modem that this
configuration should be applied to.
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Port: Appliesthisconfiguration to a modem attached to the identified physical port.
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If Port is selected, for Match Port, select the modem'sport.
The default is Any modem.
7. The Active SIM slot selection is used to determine which SIMslot the modem will attempt to
connect with. For Active SIM slot, select one of the following options:
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Any: Use the SIMslot that was last used or was last operational. Thedefault is Any.
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SIM1: Only use SIMslot 1 with the modem
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SIM2: Only use SIMslot 2 with the modem
8. If you set the Active SIM slot to Any, the Preferred SIM slot option displays. Optionsfor
Preferred SIM slot are:
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None: The modem attempts to connect to the SIMin the SIMslot that waslast used or
was last operational. None is the default.
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SIM slot: Select the SIMslot that should beconsidered the preferred slot for this
modem. If a preferred SIMis configured, the Preferred SIM slot check schedule
displaysin the configuration settings. In the event of a SIMfailover, or if manual SIM
switching is used to switch SIMslots, the modem attempts to reconnect to the
preferred SIMat the interval or schedule configured in the Preferred SIM slot check
schedule settings. The default, if a Preferred SIM slot is selected, is to check once per
hour.
1. For Maximum number of interfaces, type the number of interfaces that can beconfigured to
use this modem. This is used when using dual-APN SIMs. Thedefault is 1.
2. For Signal strength query interval, typeor select the amount of time the system waits before
polling the modem for signal information.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format number{w|d|h|m|s}.
For example, to set Signal strength query interval to ten minutes, enter 10m or 600s.
The default is 30s.
3. Enable Carrier switchingto allow the modem to automatically match the carrier for the active
SIM. Carrier switching is enabled by default.
4. For Access technology, select the type of cellular technology that this modem should use to
access the cellular network, or select All technologiesto configure the modem to use the best
available technology. The default is All technologies.
5. For Antennas, select whether the modem should use the main antenna, the auxiliary antenna,
or both the main and auxiliary antennas.
6. Click Apply to savethe configuration and apply the change.
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