Question
Device 1.1.44 is an RF device sitting in an RF subsegment behind a TP-RF segment coupler on a TP main segment. What does this show?
Answer
A — A subsegment may use a different medium (RF) than its main segment (TP).
Source
KNX Basic Course Documentation — 21.2 — p. 87
All proposed choices (exam context)
- A.A subsegment may use a different medium (RF) than its main segment (TP).✓
- B.Individual addresses encode the transmission medium.
- C.An RF device must always have device address 0.
- D.The main segment must also be converted to RF.
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