Connecting To Your Cellular Network; Steps Of A Connection - Sierra Wireless V4221-AA - Raven X EV-DO Revision A User Manual

User guide
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Rev 2.0 May.10
Note: If you erase the fatory defaults will be restored. USBnet is the factory default port.
Figure 1-7: Modem Doctor: USB connection

Connecting to your cellular Network

The Raven X uses your cellular Network as an ISP (Internet Service Provider) to
connect you to the Internet.

Steps of a connection:

1. When your Raven X is powered on, it automatically searches for cellular
service using CDMA-based cellular technology.
2. Your Raven X establishes a PPP (Point to Point Protocol or "dial" up
connection) link to your cellular Network network, also called registering on
the network, and receives an IP address.
3. When your Raven X has received its IP address from your cellular Network, a
connection to the Internet or the cellular network is also available for
computers or other devices connected directly to the Raven X.
The Raven X will perform routing for all internet traffic to and from the computers
or other end devicse.
With the Raven X in Ethernet Public mode, only one device connected to the
Ethernet port will receive the public IP address which is the one provided by the
cellular network. In Ethernet Private mode, with a hub or switch connected to the
Ethernet port, the Raven X will provide NAT for a range of computers or other
devices connected to the switch or hub and Internet access to all of them.
Introduction to the Raven X
5

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