FIELD: electrical engineering.
SUBSTANCE: concept of user power supply (current loads RL) through two pairs of data transmission lines of local network is characterized by method and user power supply device (current loads RL) though two pairs of data transmission lines of local network (LAN) featured that to provide power voltage selection of power source circuit device equipped with two electronic inductors (D1/D2, D3/D4) is used for every pair of data transmission line and to provide self-symmetrizing of circuit device both outputs and both leads of electronic inductors (D1/D2, D3/D4) are connected to each other.
EFFECT: cost effective space distribution.
7 cl, 3 dwg
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