| 摘要 |
PROBLEM TO BE SOLVED: To provide a means capable of supplying power to an information receptacle while shortening working manhour and reducing cost. SOLUTION: Plastic optical fibers 50c, 50d are installed through a telephone pipeline 25d and plastic optical fibers 50a, 50b are installed through a telephone pipeline 25c. The optical fibers 50c, 50d, 50a, 50b are connected to POF transceivers 31, 32 in an information receptacle 30, an analog telephone line 10 is connected to a power supply unit 60 and a telephone connector 36 and the information receptacle 30 the casing of which has parallelepiped appearance is fixed on a wall. A PC 21 not shown in the connection diagram is connected to an Ethernet connector 34 and an a telephone set not shown in the diagram is connected to the connector 36. |
