Digi TX54 User Manual page 127

Interfaces
5. For Interface type, select Modem.
6. The WWAN is enabled by default. Click Enable to disable, or to enable if it has been disabled.
7. Interface type defaults to Modem.
8. For Zone, select External.
9. For Device, select the appropriate cellular modem.
10. For Match SIM by, select a SIM matching criteria to determine when this WWAN should be
used:
If SIM slot is selected, for Match SIM slot, select which SIM slot must be in active for
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this WWAN to be used.
If Carrier is selected, for Match SIM carrier, select which cellular carrier must be in
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active for this WWAN to be used.
If PLMN identifier is selected, for Match PLMN identifier, type the PLMN id that must
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be in active for this WWAN to be used.
If IMSI is selected, for Match IMSI, type the International Mobile Subscriber Identity
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(IMSI) that must be in active for this WWAN to be used.
If ICCID is selected, for Match ICCID, type the unique SIM card ICCID that must be in
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active for this WWAN to be used.
11. Type the PIN for the SIM. Leave blank if no PIN is required.
12. Type the Phone number for the SIM, for SMS connections.
Normally, this should be left blank. It is only necessary to complete this field if the SIM does
not have a phone number or if the phone number is incorrect.
13. Roaming is enabled by default. Click to disable.
14. For Carrier selection mode, select one of the following:
Automatic: The cellular carrier is selected automatically by the device.
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Manual: The cellular carrier must be manually configured. If the configured network is
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not available, no cellular connection will be established.
Manual/Automatic: The carrier is manually configured. If the configured network is not
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available, automatic carrier selection is used.
If Manual or Manual/Automatic is selected:
TX54 User Guide
Wide Area Networks (WANs)
127