Powering On Using An External Latched Switch - Acnodes FES93 Series User Manual

3.7.3

Powering On Using An External Latched Switch

For an application which places the system inside a cabinet, it's useful to control
powering on/off the system using an external switch. The system provides an
on-board connector for connecting a latched/ non-latched switch and behaving either
AT-mode or ATX-mode power on/off control.
When using the AT-mode on/off control, you need a latched switch. The external
latched switch controls the of DC power feed status. When the switch is closed, the
DC power supply is in break-off status. When it's opened, the DC power supply is in
feed-in status. Please follow the steps below to install an external latch switch.
1. Prepare a latched switch with a 2-pin, 2.0mm pitch connector.
Connect the latched switch to the pin#1 and pin#2 of the on-board 1x3 pins,
2.
2.0mm pitch pin header (polarity is negligible).
3. When the latched switch is closed, the DC power is in break-off status and
system is turned off. When the latched switch is opened, the DC power is in
feed-in status and with the correct setting of
BIOS option, the system is turned on.
"Power On after Power
61
Failure"