Switch

The utility model provides a switch, including the casing, set up in switch circuit in the casing, set up in a plurality of switch communication interface on the front of casing, still include flexonics board and expansion board, the expansion board is passed through the flexonics board with the folding swivelling joint in front of casing, be provided with metal wiring on the flexonics board, be provided with a plurality of the 2nd switch communication interface in the expansion board, a plurality of the 2nd switch communication interface pass through metal wiring with switch circuit connection. 本实用新提供种交换机，包括机壳、设置于所述机壳内的交换机电路、设置于所述机壳的正面上的多个第交换机通信接口；还包括柔性连接板以及扩展板，所述扩展板通过所述柔性连接板与所述机壳的正面可折叠的旋转连接，所述柔性连接板上设置有金属走线，所述扩展板上设置有多个第二交换机通信接口，所述多个第二交换机通信接口通过所述金属走线与所述交换机电路连接。