| 摘要 |
[Problem] To enable connection of a base board and an enhancement module without using a wire to connect the base board and the enhancement module. [Solution] A base board is provided with a first connector. An enhancement module is provided with a second connector to be fitted with the first connector. Each of the first connector and the second connector is provided with at least a ground terminal, a supply terminal, and a signal terminal connected to a signal line. There are a plurality of ground terminals, supply terminals, and signal terminals to configure a plurality of sets of first connectors, and the plurality of ground terminals, supply terminals, and signal terminals are arranged on the base board at a constant interval. The second connector is provided with at least a set consisting of a ground terminal, a supply terminal, and a signal terminal. The base board and the enhancement module are directly connected only by the first connector and the second connector. |
