Note: The wiring diagram of the switch power supply, 1.2.3, are respectively the
input wire L ( brown ), the zero line N ( blue ) and the ground wire ( yellow green ),
which are connected to the AC socket wire. 4.5.6 are the output negative COM ( black
- ), 7.8.9 are the output positive V + ( red + ), please make sure the wiring correct
to prevent danger!