对应576*576箱：套件可前后维护通用。搭配螺母款后维护，带孔磁铁自攻螺丝锁上，实现前维护，对应点间距P3.84-4.8，排线口可实现软连接同硬连接。Corresponding to 576 * 576 boxes: The kit can be used for both front and rear maintenance. After maintenance with the nut model, the self tapping screw with a hole magnet is locked for front maintenance. The corresponding point spacing is P3.84-4.8, and the cable outlet can achieve both soft and hard connections.