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Knowledge document #3601

Setting up FRITZ!Box for use with a Deutsche Glasfaser line

The FRITZ!Box is optimally prepared for use with Deutsche Glasfaser. Simply connect the FRITZ!Box to the fiber optic connection, have Deutsche Glasfaser activate the internet connection, and configure telephony.

The complete FRITZ!Box range of functions for internet, telephony, and smart home is then available to all of the devices in your home network without restriction.

Requirements / Restrictions

  • A FRITZ!Box with the SFP module "FRITZ!SFP AON" is required for AON fiber optic connections.
  • A FRITZ!Box with the SFP module "FRITZ!SFP GPON" is required for GPON fiber optic connections.
  • A FRITZ!Box with the SFP module "FRITZ!SFP XGS-PON" is required for XGS-PON fiber optic connections.

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

1 Having your activation number ready

  1. Log into Deutsche Glasfaser's customer portal and take note of the activation number shown under "Mein Auftragsstatus > Anschluss aktivieren".

    Note:If the activation number is not displayed in the customer portal, call Deutsche Glasfaser's customer service at 02861 890600.

2 Inserting the SFP module into the FRITZ!Box

  1. Insert the SFP module that is suitable for your fiber optic connection into the fiber slot of the FRITZ!Box:
    1. If you have an AON fiber optic connection, insert the SFP module "FRITZ!SFP AON" into the fiber slot of the FRITZ!Box.
    2. If you have a GPON fiber optic connection, insert the SFP module "FRITZ!SFP GPON" into the fiber slot of the FRITZ!Box.
    3. If you have an XGS-PON fiber optic connection, insert the SFP module "FRITZ!SFP XGS-PON" into the fiber slot of the FRITZ!Box.
      Inserting the SFP module into the FRITZ!Box

      Important:If you do not know what kind of fiber optic connection you have, test all of the SFP modules supplied with the FRITZ!Box. The Power/Fiber LED on the FRITZ!Box remains lit as soon as the FRITZ!Box is connected to the fiber optic connection using the correct SFP module.

3 Connecting the FRITZ!Box to your fiber optic connection

  1. Remove the dust protection caps from the fiber optic cable, the SFP module in the FRITZ!Box, and from the fiber optic socket.
  2. Connect the fiber optic cable to the SFP module in the FRITZ!Box and to the fiber optic socket. Do not bend the fiber optic cable and do not hold the ends of the cable in front of your eyes.

    Note:You can find information on selecting a suitable fiber optic cable in our guide Which fiber optic cable do I need?

    Connecting the FRITZ!Box to the fiber optic connection

4 Plugging the FRITZ!Box in

  1. Plug the power adapter into the FRITZ!Box's power socket and plug it into a power outlet.

5 Activating the internet connection

  1. Start a web browser; you are then forwarded to Deutsche Glasfaser's activation portal. If the activation portal is not displayed, enter http://activation.deutsche-glasfaser.de to call it up.
  2. Enter the activation number and click "Senden". The activation portal shows a summary of your customer account data.
  3. Click "Aktivieren" to start activating your internet connection. If may take a few minutes for the activation to be completed and before the internet connection can be used.

    Important:If activation fails or the internet connection still cannot be used after 10 minutes, contact Deutsche Glasfaser. If a message is displayed on the activation page (for example "falscher Port"), keep this handy.

6 Setting up telephony in the FRITZ!Box

Having your login information ready

  1. Have the login information for telephony that you received from Deutsche Glasfaser ready (for example the username and password).

    Note:You can find the login data in your contract documents. If you did not receive any login data, call Deutsche Glasfaser's customer service at 02861 890600.

Configuring telephone numbers

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephone Numbers" in the "Telephony" menu.
  3. Click the "New Telephone Number" button.
  4. Select "Deutsche Glasfaser" from the drop-down list.
  5. Enter the login information supplied by Deutsche Glasfaser in the corresponding fields.
  6. Click "Next" and follow the wizard's instructions.

Assigning telephone numbers

  1. Click "Telephony" in the FRITZ!Box user interface.
  2. Click "Telephony Devices" in the "Telephony" menu.
  3. Click the (Edit) button for the respective telephony device.

    Important:If the telephony device was not configured yet, click the "Configure New Device" button and follow the wizard's instructions.

  4. From the drop-down list "Outgoing Calls", select the number to be used by the telephony device for making outgoing calls. If you do not select a telephone number, the number entered under "Telephony > Telephone Numbers > Line Settings" is used for making calls.
  5. Select the telephone numbers to which the telephony device should react when you receive calls. You can select up to ten numbers (including the number for outgoing calls).
  6. Click "Apply" to save the settings.



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