Operating Instructions and Installation Instructions

FRITZ!Box 3370 54
Mobile Network: Replace Faulty DSL
4. Configure the settings for your Internet connection over
the mobile communications network. For more informa-
tion, see the Online Help of the FRITZ!Box.
Access to the Internet is now guaranteed, even when the DSL
connection fails.
As soon as the DSL connection is stable and available for at
least 30 minutes, the connection will be switched back to the
DSL connection.