Setting Jumpers & Connectors; Clear Cmos (Jbat1); Com1 Pin 9 Signal Select (Jp1) - Advantech AIMB-251 Series User Manual

2.4 Setting Jumpers & Connectors
2.4.1

Clear CMOS (JBAT1)

* Default
2.4.2

COM1 Pin 9 Signal Select (JP1)

* Default
Protect*
Clear CMOS
Ring*
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User's Manual
+5V
+12V