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PCA-6186 User’s Manual 24
2. Connect the 3-pin plug of the cable to CN20 (ATX feature connec-
tor).
3. Connect the power on/off button to CN21. (A momentary type of
button should be used.)
2.14.2 Controlling the soft power switch
Users can also identify the current power mode through the system's
power LED.
2.15 SM Bus Connector (CN29)
This connector is reserved for Advantech's SNMP-1000 HTTP/SNMP
Remote System Manager. The SNMP-1000 allows users to monitor the
internal voltages, temperature and fans from a remote computer through
an Ethernet network.
CN29 can be connected to CN19 of SNMP-1000. Please be careful about
the pin assignments, pin 1 must be connected to pin 1 and pin2 to pin 2 on
both ends of cable.
Note: If you will not be using an ATX power connector,
make sure that pins 2-3 of CN20 are closed.
:DUQLQJV 1. Make sure that you unplug your power sup-
ply when adding or removing expansion cards
or other system components. Failure to do so
may cause severe damage to both your CPU
card and expansion cards.
2. ATX power supplies may power on if certain
motherboard components or connections are
touched by metallic objects.
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