Hardware Configuration
IB981
User’s Manual
15
2
2.4.2
COM1 RS232 Power Setting (JP1)
1
2
5
6
Function
Pin closed
Illustration
+12V
1-3
1
2
5
6
RI
(default)
3-4
1
2
5
6
+5V
3-5
1
2
5
6
2.4.3
Backlight Power Mode Selection (JP4)
1
Function
Pin closed
Illustration
DC Mode
(default)
1-2
1
PWM Mode
2-3
1