User`s manual

Connectors & Jumpers 29
MI-110
COM3 RI, +12V and +5V Function Select (JCOMPWR3/4)
These jumpers allow you to select COM3 RI, +5V and +12V
power. Set JCOMPWR3 to pins 1-3 and JCOMPWR4 to pins 1-3
to select +5V power. Set JCOMPWR3 to pins 3-5 and
JCOMPWR4 to pins 1-3 to select +12V power. Set JCOMPWR4 to
pins 3-5 and JCOMPWR3 to open for RI selection.
COM4 RI, +12V and +5V Function Select (JCOMPWR3/4)
These jumpers allow you to select COM4 RI, +5V and +12V
power. Set JCOMPWR3 to pins 2-4 and JCOMPWR4 to pins 2-4
to select +5V power. Set JCOMPWR3 to pins 4-6 and
JCOMPWR4 to pins 2-4 to select +12V power. Set JCOMPWR4 to
pins 4-6 and JCOMPWR3 to open for RI selection.