Connecting to the ISDN Line
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FRITZ!Box Fon 5124 – 2 FRITZ!Box Fon 5124: Connecting
2.6 Connecting to the ISDN Line
The FRITZ!Box Fon only has to be connected to ISDN if you
have an ISDN basic access.
Connecting to the ISDN NT
Cable
The gray and black Y-shaped cable is for connecting to the
ISDN line. This cable is a combination of a DSL cable and a
telephone cable.
Connecting
1.
Connect the longer, gray end of the cable to the socket
labeled “DSL/TEL”, located at the far left of the back
panel of the FRITZ!Box Fon.
2.
Insert the black end of the Y-branch of the cable into the
socket of your ISDN NT.