Com3/Com4 Ri Pin Voltage Select (J12, J11) - Aaeon PCM-4896 User Manual

COM3/COM4 RI pin voltage select
(J12, J11)
The 9th pin of COM3 and COM4 (9-pin D-sub connector) can be
selected as RI, +5V, or +12V by setting J12 & J11.
COM3 RI pin setting (J1 2 )
J1 2
COM4 RI pin setting (J1 1 )
J 1 1
*default
20 PCM-4896 User Manual
RI*
1 3 5
2 4 6
RI *
1 3 5
2 4 6
+5V
1 3 5
2 4 6
+5V
1 3 5
2 4 6
+12V
1 3 5
2 4 6
+12V
1 3 5
2 4 6