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Assignment of the cables and sockets

The FRITZ!Box has sockets for connecting telephony devices to it. Here you will find the assignment of the FRITZ!Box's sockets so you can use your own cables, for example.

1 RJ11 socket of "FON" extension

The two middle pins 3 and 4 are assigned on the RJ11 socket.

2 TAE socket of "FON" socket

The TAE socket is assigned in such a way that contacts 1 and 2 on TAE plugs must be assigned (see fig.).

Fig.: Contacts 1 and 2 on a TAE plug