Question
How are data and supply carried on the KNX TP bus pair?
Answer
A — The AC data voltage is superimposed onto the DC supply voltage on the same pair
Correct: The AC data is superimposed onto the DC supply voltage on the same wire pair.
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An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.The AC data voltage is superimposed onto the DC supply voltage on the same pair✓
- B.Data uses one wire pair and the DC supply uses a separate pair
- C.The supply is an AC voltage and the data is a DC voltage
- D.Data and supply take turns in time on the same wires
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