PROBLEM TO BE SOLVED: To provide a docking system in which docking including a connector connection can be performed rapidly and easily.SOLUTION: A plurality of projections 131a, 131b, 131c, 131d are formed in an area different from shutters 111, 112 on a surface of a base unit 100. Also, a plurality of fitting holes into which the plurality of projections 131a, 131b, 131c, 131d are fitted are formed on a carrier 200. Moreover, the projections 131c, 131d and the fitting holes that are far from the shutters 111, 112 have shapes that can fit more easily than those of the projections 131a, 131b and the fitting holes near the shutters 111, 112.SELECTED DRAWING: Figure 1
