Question
In the 2-level group address structure, what are the ranges of main / sub?
Answer
B — Main 0-31, Sub 0-2047
Correct: The 2-level structure uses main 0-31 and sub 0-2047.
Source
KNX Basic Course Documentation — 3.2.1 — p. 32
All proposed choices (exam context)
- A.Main 0-31, Sub 0-255
- B.Main 0-31, Sub 0-2047✓
- C.Main 0-15, Sub 0-2047
- D.Main 0-2047, Sub 0-31
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