Question
How does a line repeater differ from a line coupler in the way it handles telegrams?
Answer
B — The repeater has no filter table and passes on all telegrams.
Correct: pages 69/71 - the line repeater has no filter table and therefore passes on all telegrams, unlike a coupler which forwards only line-crossing telegrams.
Source
KNX Basic Course Documentation — 3.6 — p. 69
All proposed choices (exam context)
- A.The repeater filters telegrams using a larger filter table.
- B.The repeater has no filter table and passes on all telegrams.✓
- C.The repeater routes only individually addressed telegrams.
- D.The repeater blocks all telegrams to isolate the segment.
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