Question
The individual address of an unloaded bus device is 15.15.254.
Answer
False
False. The individual address of an unloaded bus device is 15.15.255 (the maximum address). New devices are typically delivered ex-factory with 15.15.255.
Preparation tip
Unloaded/ex-factory default = 15.15.255 (not .254).
Source
KNX Basic Course Documentation — 3.5 — p. 68
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