Advantech AIMB-256 - Manual (Page 26)

AIMB-256 User Manual 20
1.7.4 COM3 RI/+5 V/+12 V Selection (JCOMPWR3, JCOMPWR4)
1.7.5 COM4 RI/+5 V/+12 V Selection (JCOMPWR3, JCOMPWR4)
JCOMPWR3 JCOMPWR4
+5 V
(Default) +
+12 V +
Ring +
JCOMPWR3 JCOMPWR4
+5 V
(Default) +
+12 V +
Ring +