Question
With the maximum of 3 line repeaters, what is the maximum TOTAL cable length of one line?
Answer
D — 4000 m
Correct: four 1000 m segments joined by 3 repeaters give a maximum total of 4000 m.
Source
KNX Basic Course Documentation — 1 — p. 59
All proposed choices (exam context)
- A.1000 m
- B.3000 m
- C.4000 km
- D.4000 m✓
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