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Chapter 1 Introducing the P-2812HNU-51c
P-2812HNU-51c User’s Guide
26
router. This way, you can access the Internet via an Ethernet connection and still
use the QoS, Firewall and VoIP functions on the P-2812HNU-51c.
Figure 2 Internet Access Application: Ethernet WAN
1.4.1.3 3G WAN
The USB port allows you to wirelessly connect to a 3G netowk to get Internet
access by attaching a 3G wireless card. You must leave the DSL or Ethernet WAN
port unconnected and attached a 3G wireless card to use 3G as your WAN. You
can also heve the P-2812HNU-51c use the 3G WAN connection as a backup. That
means the P-2812HNU-51c switches to the 3G wireless WAN connection after the
wired DSL or Ethernet WAN connection fails. The P-2812HNU-51c automatically
changes back to use the wired DSL or Ethernet WAN connection when it is
available.
Figure 3 Internet Access Application: 3G WAN
Ethernet
LAN
PPPoE
IPoE
WAN
DSL
Bridging