4: Setting up the GSM (3G) modem for a primary WAN link
Configuring a GSM (3G) modem on a GW2040 Series Router
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4
Setting up the GSM (3G) modem for a primary WAN link
4.1
PPP layer structure
Figure 4 shows the PPP layer structure required to configure a primary WAN link.
Figure 4: PPP layer structure
4.2
Configuring the GW2040 series to use the GSM (3G) modem
interface
To configure the GW2040 Series to use the GSM (3G) modem interface, follow the steps
in sections 4.2.1 to 4.2.10. You do not have to save each configuration until you have
updated all your settings. When you have completed all your configuration changes, you
must save the configuration as described in section 4.2.11.
