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Appendix B: Excessive Data Usage Warning
There are two default settings that can cause unintentional billable cellular data usage: LAN to WAN and
Auto Provisioning.
1. By default LAN to WAN routing is turned on. Once the gateway is connected to a cellular data network
it will route all of the attached computer's Internet traffic through the cellular data network. To prevent
this cellular data usage, either
while configuring the gateway for its intended use. Otherwise, computer Internet traffic will continue to
use the LAN to WAN routing until the cellular gateway is disconnected.
2. By default auto provisioning is also turned on. This means that the gateway will connect to the USR
Universe and check for updates each time it is powered on. If an update is available the gateway will
automatically download and install the update. USR recommends auto provisioning only if the product
is properly registered on the USR Universe. If the product is not registered, or if the gateway has a low
cellular data rate plan,
data usage.
Do not manually or automatically update the gateway if a USR3510/USR803510 was
upgraded to a USR3520/USR803520. The update will remove the Modemulator upgrade.
How to disable LAN to WAN
Before installing a SIM card or setting-up the carrier information, connect a computer's Ethernet port to
the gateway's Ethernet port with a standard Ethernet cable, then open a web browser on the computer
and enter the address 192.168.1.1 into the address bar. Enter the default username (admin) and
password (admin). After a successful login, the Home screen will appear.
Click on the Firewall Tab.
Change the LAN -> WAN from Accept to Reject and click Save changes.
Now continue to configure the gateway as needed.
Modemulator User Guide
turn off LAN to WAN
disable auto provisioning
Page 82 of 113
or
exit out of all programs
and check for updates manually to avoid the extra
that use the Internet
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