Figure 3 Device's Internet Access Application: 3G WAN Backup
WLAN
LAN
You can also configure IP filtering on the Device for secure Internet access. When the IP filter is on,
all incoming traffic from the Internet to your network is blocked by default unless it is initiated from
your network. This means that probes from the outside to your network are not allowed, but you
can safely browse the Internet and download files.
1.4.2 Device's USB Support
Use the USB port for file sharing and the MOBILE port with a 3G dongle for cellular backup WAN
(Internet) connections.
File Sharing
Use the USB port (built-in USB 2.0) to share files on USB memory sticks or USB hard drives (B).
Use FTP to access the files on the USB device.
Figure 4 USB File Sharing Application
SBG3300-N Series User's Guide
ADSL / VDSL
A
A
Chapter 1 Introducing the Device
B
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