ADSL2+ Annex B

This integrated modem hot plug module is to be directly connected to the ADSL/Phone splitter box – an external ADSL modem is no longer required. As the router is able to directly control the chipset of the integrated modem, it is able to achieve optimized performance – even fully utilized lines stay low in latency, suitable for VoIP applications. This modem module supports ADSL with Annex-B speeds of up to 16 Mbit/s in the downstream direction.

Hint: Annex B is usually only used in countries where Euro ISDN is available. Analog phone lines (POTS) usually use Annex A instead.


  • 1x RJ45 jack to connect to the ADSL splitter by CAT.5 cable (splitterless operation also supported)

Supported Protocols

  • ADSL (G.992.1/G.992.2)
  • ADSL2 (G.992.3)
  • ADSL2+ (G.992.5)
  • PPPoE
  • PPPoA
  • RFC1483
  • Annex B (ADSL-over-ISDN)


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