User’s Manual
PI945GSE-270
User’s Manual
21
2. COM1 RI, +12V and +5V Power Select
(JCOMPWR1, JCOMPWR2)
This jumper allows you to select COM1 RI, +5V and +12V power. Set JCOMPWR1 to pins
1-3 and JCOMPWR2 to pins 1-3 to 5V power. And set JCOMPWR1 to pins 3-5 and
JCOMPWR2 to pins 1-3 to 12V power. Then set JCOMPWR2 to pins 3-5 and
JCOMPWR1 to open for RI selection.
3. COM2 RI, +12V and +5V Power Select
(JCOMPWR1, JCOMPWR2)
This jumper allows you to select COM2 RI, +5V and +12V power. Set JCOMPWR1 to pins
2-4 and JCOMPWR2 to pins 2-4 to 5V power. And set JCOMPWR1 to pins 4-6
and JCOMPWR2 to pins 2-4 to 12V power. Then set JCOMPWR2 to pins 4-6 and
JCOMPWR1 to open for RI selection.