First, the product uses:

8E / 2 drawer unit consists of instrument, rear plate, side plate, guide rail and handle, in the middle of the instrument panel with operating mechanism handle mount and handle, in the rear panel above the 16 pairs (32 pairs) auxiliary circuit plug, side The plate is equipped with ventilation slots and ribs. The main parts are not screwed and connected by the slot of the parts. After the adapter is connected, the circuit is switched.