Replacing two VFM40-T3512 with an RS-25-3.3 and an RS-25-5 power supplies
1) Disconnect the brown, the blue and the earthing wires. After that, remove the switch board.
2) Dismount and remove the VFM-T3512 power supply units and the power distribution board together with the wires. Please, remove the shielding plates, too.
3) Fasten the RS-25-5 and the RS-25-3.3 power supply units together with the new power distribution board.
4) Connect the earthing wires to the earthing point. Connect the other wires to the distribution board.
5) Connect the brown, the blue and the earthing wires to the right pins and fasten the switch board.