Advantech PCA-6359 ATX Power Control Connectors CN20 and CN21, ATX soft power switch CN21

2.13.5 ATX soft power switch (CN21)

If your computer case is equipped with an ATX power supply, you should connect the power on/off button on your computer case to CN21. This connection enables you to turn your computer on and off.

2.14ATX Power Control Connectors (CN20 and CN21)

Note:	Refer to the diagram on the previous page for the
	location of CN21.

2.14.1ATX feature connector (CN20) and soft power switch connector (CN21)

The PCA-6359 Series can support an advanced soft power switch function if an ATX power supply is used. To enable the soft power switch function:

1.Take the specially designed ATX-to-PS/2 power cable out of the PCA-6359 Series' accessory bag.

2.Connect the 3-pin plug of the cable to CN20 (ATX feature connector).

3.Connect the power on/off button to CN21. (A momentary type of button should be used.)

Note:	If you will not be using an ATX power connector,
	make sure that pins 2-3 are closed.

28 PCA-6359 Series User's Manual