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Knowledge document #37

Supported DSL lines

The FRITZ!Box supports almost all of the ADSL/VDSL standards and technologies used in Germany and most of the ones used in the rest of Europe. This means that the FRITZ!Box can be used with virtually any DSL line and can establish internet connections with speeds of up to 300 Mbit/s with supervectoring.

Supported DSL standards

  • DT AG 1TR112 Annex B and Annex J (ADSL2 / ADSL2+ / VDSL2)

    Note:All IP-based connections and all BNG connections from Deutsche Telekom are fully supported by the FRITZ!Box.

  • ITU G.993.2 Annex Q (supervectoring 35b)

    Note:Telekom Austria also calls supervectoring Vplus or V+.

  • ITU G.998.4 / G.INP (VDSL2 vectoring)
  • ITU G.993.5 / G.Vector (VDSL2 vectoring)
  • ITU G.993.2 Annex A and Annex B (VDSL2)

    Important:The FRITZ!Box does not support the profile 30a which is used on some 100 Mbit/s VDSL connections from M-net, NetAachen, NetCologne, and wilhelm.tel, for example. On a line of this type, connect the FRITZ!Box with the internet service provider's VDSL router.

  • ITU G.992.5 Annex A, Annex B, Annex J, and Annex M (ADSL2+)
  • ITU G.992.3 Annex A, Annex B, Annex J, and Annex M (ADSL2)

Supported DSL technologies

  • VDSL Long Reach (LR-VDSL2)
  • ADSL Rate Adaptive Mode (RAM)
  • ADSL Downstream Power Back Off (DPBO)
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