Chapter 1 Introducing the P-2812HNU-51c

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

LAN

WAN

Bridging

IPoE

PPPoE

Ethernet

DSL

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

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P-2812HNU-51c User’s Guide