Instruction manual
4
About the jumpers
JP1 – Power selector
This jumper is used to provide pin number nine of the serial port connector(s) with
DC5V or DC12V power. There are four sources depending on the jumper’s position.
JP1: Power selector
Setting
Internal 5V:
Power source is +5VDC, from
the motherboard’s PCI Express slot
Internal 12V:
Power source is +12VDC, from
the motherboard’s PCI Express slot
Internal 12V:
Power source is +12VDC, from
the motherboard’s PCI Express slot
Internal 5V:
Power source is +5VDC, from
the motherboard’s PCI Express slot
15V
I12V
X12V
X5
15V
I12V
X12V
X5
15V
I12V
X12V
X5
15V
I12V
X12V
X5
