| 摘要 |
PROBLEM TO BE SOLVED: To securely suppress signal attenuation in power line communication of interior wiring. SOLUTION: Disclosed is a substantial connection structure for power line communication including a panel board 5 for interior wiring supplied with electric power of single-phase three lines comprising non-ground-side cable runs R and B and a ground-side cable run W, a plurality of first class outlets connected to the cable runs B and W in the panel board 5 to be used not for power line communication, second class outlets 101, 201, 301, 302, and 401 connected to the cable runs R and W in the panel board to be used for power line communication, and PLC modems (power line communication devices) 20, 22, and 23 connected only to those second class outlets. The cable runs R and B may be reversed. COPYRIGHT: (C)2008,JPO&INPIT
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