Question

From an electronics point of view, which two elements are integrated together to form a regular bus coupling unit (BCU)?

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Answer

B — The transceiver and the microcontroller

Correct: The text says the transceiver and microcontroller are integrated in a regular BCU whose electronics cannot be separated.

Source

KNX Basic Course Documentation — 1.2 — p. 124

All proposed choices (exam context)
  1. A.The application module and the application program
  2. B.The transceiver and the microcontroller
  3. C.The transceiver and the digital-analog converter
  4. D.The programming button and the programming LED
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Last updated: 19 May 2026

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