Please select the type of global control required. This control will inhibit or enable all outputs of the power supply (usually not affecting the auxiliary / standby outputs).
Inhibit - with no input, the power supply will operate.
Enable - with no input, the power supply will not operate.
ATX Enable - with no input, the power supply will not operate. This operates the same way as the enable on ATX power supplies for PCs.
I²C/PMBus Digital Control - for a communication bus or digital control is required.
If you do not know or do not mind, please leave set to I don't mind.