EBM-QM87U Quick Installation Guide
12 EBM-QM87U Quick Installation Guide
2.3.5
Serial port 1/ 2 pin9 signal select (JRI1/ JRI2)
* Default
Ring*
+5V
+12V
2.3.6
LCD backlight brightness adjustment (JVR)
* Default
* Default
Signal
PIN
DC MODE
1
VBRIGHT
2
PWM MODE
3
JRI2
JRI1