User`s manual

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The Engine of FPC-3130
2.2.2 Jumper Setting
JBAT1: Clear CMOS Setting
Pin Description
1-2 Keep CMOS (Default)
23 1
2-3 Clear CMOS
23 1
JCP1: COM Port Power Selector
Pin Description
1-2 Normal (Default)
23 1
2-3 +12V
23 1
JV1~4: RI/5V/12V (Pin 9) Selection for COM1~4 Ports
Pin Description
1-2 Normal (Default)
23 1
2-3 COMPOWER
23 1
Note: JV1~4 correspond to COM1~4 ports respectively.
SW2: Battery Low Setting Jumper
DIP
ON
1 2 3 4
Pin Battery Low Description
1 On, Off (default) BUS Low Voltage Detection (24V)
2 On (default), Off CAR Low Voltage Detection (12V)
3 On, Off (default) Normally Low Voltage Detection (9V above)
4 On, Off (default) Car Engine Ignition Detection