Advantech PCA-6751 Series User Manual

26 PCA-6751 Series User's Manual
2.22 Front panel connector
(CN25, CN26, CN27)
Next, you may want to install external switches to monitor and control
the PCA-6751 Series. These features are optional - install them only if
you need them. The front panel connector provides connections for
both a speaker and a hard disk access indicator, and it also provides an
input switch for resetting the card and the ATX system power switch.
2.22.1 Hard disk drive LED (CN25)
You can connect an LED to connector CN25 to indicate when the
HDD is active. Marks on the circuit board indicate LED polarity.
2.22.2 Reset switch (CN26)
If you install a reset switch, it should be a single pole switch rated at
10 mA, 5 V. Momentarily pressing the switch will activate a reset.
For reset switch pin assignments, please see Appendix C.
2.22.3 ATX power button (CN27)
The PCA-6751 Series provides an ATX power input connector. When
connected with the ATX power switch, the ATX power switch
connector (CN27) enables power On/Off from the chassis.

Advantech PCA-6751 Series Specifications

General

Brand	Advantech
Model	PCA-6751 Series
Category	Motherboard
Language	English