FRITZ!Box 6840 LTE – Service - Knowledge Base
Maximum cable lengths
You can connect various devices (for example telephony devices, printers, computers) to your FRITZ!Box. Since the cables of these devices can only be extended to a certain limit, we provide you information on the maximum length of each type of cable here.
1 Network cable
The network cable between the FRITZ!Box and a computer or hub/switch can be up to 100 m in length.
2 Cables for telephony devices
The cable between a telephony device and an analog extension on the FRITZ!Box can normally be up to 100 m in length. However, this depends on the telephony device being used.
3 Cables for USB devices
The cable of USB devices (for example a printer, hard drive) connected to the USB port on the FRITZ!Box should not exceed 5 m in length.