Operating Instructions and Installation Instructions

FRITZ!Box 3390 16
Connecting to the Internet
Connecting to a DSL or VDSL line
How to connect the FRITZ!Box depends on the type of your line.
Connection Sockets Connecting the
FRITZ!Box
DSL or VDSL line with fixed line
Your fixed telephone line is an
analog line or an ISDN line.
You have a telephone
socket (left) and a DSL
splitter.
If you have ISDN, the
NTBA is also connected to
the DSL splitter.
Read the instructions
on page 17.
Only DSL or VDSL line without a
fixed line (also called an “IP-
based line” or a “direct access”).
Telephone calls can be conducted
over the Internet.
You have a telephone
socket.
Read the instructions
on page 17.