Digi TX54 User Manual page 85

Interfaces
Enable carrier switching, which allows the modem to automatically match the carrier for the
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active SIM.
Carrier switching is enabled by default.
Configure the access technology.
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Determine which cellular antennas to use.
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Additional configuration items
If Active SIM slot is set to Any, determine the preferred SIM slot.
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In the event of a failover to a non-preferred SIM, or if manual SIM switching is used to switch to
a non-preferred SIM, the modem will attempt to reconnect to the SIM in the preferred SIM slot.
To configure the modem:
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WebUI
1. Log into the TX54 WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. For single-cellular models, click Network > Modems > WWAN cellular modem or WWAN1
cellular modem.
For dual-cellular variants, there are two cellular modems, WWAN1 cellular modem and
WWAN2 cellular modem. Select the appropriate cellular modem. For example, to configure
the WWAN1 cellular modem, click Network > Modems > WWAN1 cellular modem.
TX54 User Guide
Wide Area Networks (WANs)
85