FIELD: physics.
SUBSTANCE: invention relates to supply of power to one or more devices. In the embodiment of the invention, it is proposed to equip each node with a PD interface, which can signal multiple values of the standard given unit load during the detection process and increase the load during the sequence of detection attempts. Several nodes may share one PSE pin and determine number of adjacent loads, each node will offer full functionality during "normal" autonomous wiring.
EFFECT: technical result is wider range of means.
12 cl, 6 dwg
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