Question

Which coupler role(s) can a KNXnet/IP router take on in a KNX installation?

KNX BasicLearnKNX TopologyEasy
Answer

C — Both a line coupler and a backbone coupler

Correct: the source states the KNXnet/IP router can be used as a line coupler as well as a backbone coupler.

Source

KNX Basic Course Documentation — 19 — p. 85

All proposed choices (exam context)
  1. A.Only a line repeater inside a single line
  2. B.Only a backbone coupler
  3. C.Both a line coupler and a backbone coupler
  4. D.Only a line coupler
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Last updated: 19 May 2026

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