Using Your 3G+ Modem As A Backup - Zoom 3G+ Modem/Router User Manual

Authentication
Set to Auto, by default. Optionally, click Password Authentication Protocol
(PAP), or Challenge Handshake Authentication Protocol (CHAP), if
supported by your service provider.
Primary DNS and Secondary DNS
Identifiers for the Domain Name Servers. These identifiers are provided by
your service provider.
Connection Control
Specifies the method for connecting or disconnecting the WAN session
based on network activity. Auto Reconnect (always on) is the default. Other
options are Connection-on-Demand or Manual.
Maximum Idle Time
Specifies the duration (in seconds) of inactivity before the device
disconnects. The default is 0, which disables this feature.
Keep Alive
Disabled by default. Select LCP Echo Request to keep the connection alive.

Using your 3G+ modem as a Backup

You can use the built-in 3G+ modem to provide Internet access if your DSL or Cable
service stops working. To setup 3G Failover first you need to setup the 3G+ modem
and verify that it works then you setup your cable or DSL connection.
To set up the 3G Failover, follow the instructions below:
1
Run the Setup Wizard. On the Select WAN Type page choose the built-in mobile
broadband modem as your WAN connection. See
Manager's Setup Wizard
2
Next you need to change the WAN connection to your cable or DSL modem. Run the
Setup Wizard again this time selecting your Cable or DSL modem as your WAN
connection type.
3
Once you have configured your Cable or DSL modem you need to enable 3G Failover.
To enable 3G Failover select Basic Settings from the Configuration Manager's
Advanced Page. See
page 54 if you don't know how to access the Advanced setting page.
4
On the Basic Setup page click the Check the Wan Connection checkbox.
5
Enter the Domain Name Server IP address that your Cable or ADSL modem uses in the
Internet host textbox. This is the IP address that the Modem/Router will use to verify that
your DSL or Cable connection is active. To get the IP address of your Domain Name
server:
a
b
c
Chapter 7: Using the Configuration Manager's Advanced Program
on page 12.
Launching the Configuration Manager's Advanced Program
Go to the Status page from the Zoom Configuration Manager.
Locate the Domain Name Server.
In the WAN Status column, copy one of the displayed IP
addresses (either the primary or secondary DNS IP address).
From the Configuration Manager, click on Advanced and
Launching the Configuration
on
57