The Cebek FE-123 module is a single rail 12VDC stabilized power supply. It can
deliver a maximum of 600mA, the output is fully regulated and short circuit
protected. A PCB mounted pre-set potentiometer is supplied to adjust the output
voltage (10 - 15VDC), to allow for long cable runs and supply voltage variations. The FE-123
module has a small enclosed transformer mounted on the circuit board. and LED to
indicate its operating.