FRITZ!Box 7530 Service - Knowledge Base
Pin assignment of cables and ports
The FRITZ!Box has various ports for connecting it to your DSL line and connecting your telephony devices to it. Here you will find the pin assignment of the cables included with delivery as well as of the FRITZ!Box ports so you can use your own cables, for example.
Note:The FRITZ!Box is available in several different product variants, each of which is delivered with different components. For the exact contents of the package, see the information printed on the FRITZ!Box package.
1 DSL cable (RJ45/RJ11)
Pins 4 and 5 of the RJ45 plugs must be assigned. Pins 3 and 4 of the RJ11 plugs must be assigned. Since the order does not matter, they cannot be accidentally swapped.
2 RJ11 socket of "FON" extension
The two middle pins 3 and 4 are assigned on the RJ11 socket.
3 TAE socket of "FON" extension
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