AAEON EMB-BT1 - Manual (Page 17)

2-9 Chapter 2: Motherboard information
EMB-BT1 COM1 Ring/+5V/+12V Selection
5
6
3
4
1
2
+12V +5V Ring
(Default)
J1
EMB-BT1 Inverter Voltage Selection
1 2 2 3
+5V
(Default)
+12V
J2
3. Inverter voltage selection (3-pin J2)
Setting Pins
+12V 1-2
+5V (Default) 2-3
Setting Pins
+12V 5-6
+5V 3-4
Ring (Default) 1-2
2. COM1 Ring/+5V/+12V selector (COM1)