Connecting ISDN Telephones
FRITZ!Box Fon WLAN 7570 vDSL
27
Analog devices with an RJ11 plug are connected to the RJ11
sockets “FON 1” or “FON 2” located on the back panel of
the FRITZ!Box using the TAE/RJ11 adapter included in the
package.
3.11
Connecting ISDN Telephones
ISDN telephones can be connected to the FRITZ!Box and
used to make calls via the Internet and the fixed-line net-
work. With appropriate cabling, up to eight ISDN tele-
phones can be connected.
Connecting an ISDN telephone to the FRITZ!Box
Connecting
Use an ISDN cable to connect an ISDN telephone.
1.
Connect one end of the ISDN cable with the ISDN tele-
phone.
2.
Connect the other end of the ISDN cable with the “S
0
-
int” port of the FRITZ!Box.