Chapter 1 Introducing the VMG
VMG3312-T20A User’s Guide
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1.4.1.2 Ethernet WAN
If you prefer not to use a DSL line and you have another broadband modem or router (such as ADSL)
available, you can connect the Ethernet WAN port to the broadband modem or router. This way, you
can access the Internet via an Ethernet connection and still use the QoS, Firewall and parental control
functions on the VMG.
Figure 2 VMG’s Internet Access Application: Ethernet WAN
1.4.2 VMG’s USB Support
The USB port of the VMG is used for cellular WAN backup, file-sharing and media server.
Cellular WAN (3G) Backup
Connect a supported cellular USB dongle with an active SIM card to the USB port. This adds a second
WAN interface and allows the VMG to wirelessly access the Internet via a cellularnetwork. The cellular
WAN connection is the failover or a backup in case the DSL or Ethernet WAN connection fails.
To set up a cellular connection, click Network Setting > Broadband > Cellular Backup.
To update the supported cellular USB dongle list, download the latest WWAN package from the Zyxel
website and upload it to the VMG using the Maintenance > Firmware Upgrade screen.
Figure 3 VMG’s Internet Access Application: Cellular WAN
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