Avalue ECM-DX2 - Manual (Page 14)

ECM-DX2 Quick Installation Guide
14 ECM-DX2 Quick Installation Guide
2.3.11 LCD inverter connector (BKL1)
Signal PIN
+5V 5
BRIGHT 4
TTL_ENBLT 3
GND 2
+12V 1
2.3.12 General purpose I/O connector (DIO1)
Signal PIN PIN Signal
DI0 1 2 DO_TTL0
DI1 3 4 DO_TT1
DI2 5 6 DO_TTL2
DI3 7 8 DO_TTL3
I2C_CLK 9 10 I2C_DAT
GND 11 12 +5V