| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic apparatus wherein one and the same power supply unit can be used and thus complication of the apparatus configuration is prevented regardless of the presence of a board of interface with communication lines. SOLUTION: The electronic apparatus 10 comprises the power supply unit 11 having a power line I, and the interface board 12 which has the communication lines L1 and L2 and can be attached to and detached from the apparatus body. The power line I, the communication lines L1 and L2, and a frame ground FG are connected in Y. Lightning arresting elements 1 to 5 are provided between the center point of the Y, and the power line I, communication line L1 and frame ground FG, and line L2 and the frame ground FG, respectively. The center point 6 and the lightning arresting element 5 between the center point 6 and the frame ground FG are provided on the power supply unit 11 side. COPYRIGHT: (C)2004,JPO
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