| 摘要 |
PURPOSE:To mount more circuit boards by further providing a connector and a shelf on the other surface of a back panel, and mounting the boards on one and the other surface directions of the panel. CONSTITUTION:Two shelves for supporting circuit boards are provided on two surface sides of a back panel 1. Guides 12a, 12b for guiding a plurality of circuit boards to engage the boards with the panel 1 through connectors are provided on upper and bottom surfaces of the shelves 5a, 5b. Connectors (3a, 3c), (4b, 4d) are provided at the ends of the boards 2a, 2b, and connectors (3b, 3d), (4a, 4c) are provided at positions of the panel 1 corresponding to the connectors (3a, 3c), (4b, 4d). The connectors 3b, 3d and 4a, 4b provided on the two surfaces of the panel 1 have different sizes and shapes. The connectors 3b, 3d and 4a, 4c have wiring parts at corresponding rear sides at different positions. |
