Question

For which two media are KNX bus coupling units currently available?

KNX BasicLearnKNX Bus DevicesMedium
Answer

D — Twisted Pair (SELV) and RF (KNX-RF)

Correct: The text says BCUs are available for two media, Twisted Pair (SELV) and RF (KNX-RF).

Source

KNX Basic Course Documentation — 1.3 — p. 125

All proposed choices (exam context)
  1. A.Twisted Pair and Powerline
  2. B.Ethernet (KNXnet/IP) and RF
  3. C.RF and Powerline
  4. D.Twisted Pair (SELV) and RF (KNX-RF)
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Last updated: 19 May 2026

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