FRITZ!Box 6490 Cable Service - Knowledge Base
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Maximum cable lengths
The FRITZ!Box comes with various cables to connect it to your line, a computer, or hub, for example. If a cable is too short, you can extend or replace it. Since you can only extend cables to a certain limit, below you will find information on the maximum possible length for each type of cable.
1 Telephone cable
The cable between a telephony device and an analog extension on the FRITZ!Box (for example "FON 1") may normally be up to 100 meters long, but it depends on the telephony device used.
The cable between a telephony device and the "FON S0" port on the FRITZ!Box may be up to 10 meters in length.
Note:You can also have a technician install an S0 bus which is connected to the "FON S0" port. It is important for the ISDN port "FON S0" on the FRITZ!Box to be terminated. Two 100 Ohm resistors are switched on port "FON S0" in the FRITZ!Box.
2 Network cable
The network cable between the FRITZ!Box and a computer or hub/switch may be up to 100 meters in length.
3 USB cable
The cable of USB devices connected to the USB port on the FRITZ!Box should not exceed 5 meters.
4 Coaxial cable
The cable socket on the FRITZ!Box is an F connector (female) according to EN 60169-24. The maximum length of the coaxial cable depends on the cable connection. Your cable provider can provide you with information on cable length.