Owner's manual

Embedded Controller AEC-6930
Chapter 2 Hardware Installation
2 - 7
2.3 COM1, COM2 Pin 9 Selection (JV1, JV2)
JV1/JV2 Function
1-2 +12V
3-4 +5V
5-6 RI (Default)
Note: COM1 and COM2 have RS-232/422/485 function.
2.4 COM3, COM4 Pin 9 Selection (JV3, JV4)
JV3/JV4 Function
1-2 +12V
3-4 +5V
5-6 RI (Default)
2.5 FAN Port Voltage Selection (JV9)
JV9 Function
1-2 +5V (Default)
2-3 +12V
2.6 Clear CMOS Selection (JBAT1)
JBAT1 Function
1-2 Normal (Default)
2-3 Clear CMOS
2.7 COM1/2 Connector