Com 1 Rs-422-485 Mode (Rs422_1); Lcd Inverter Connector (Jbkl1) - Avalue Technology ECM-QM87R User Manual

2.4.9

COM 1 RS-422-485 mode (RS422_1)

2.4.10 LCD inverter connector (JBKL1)

Signal
485_422TX1-
485_422TX1+
+5V
Note:
J422/485 is available after modify the mode of COM1
in BIOS setting
VBRIGHT
ECM-QM87R/ ECM-QM87 User's Manual 25
User's Manual
PIN PIN Signal
2 1 422RX1-
4 3 422RX1+
6 5 GND
Signal PIN
+12V 1
GND 2
BKLEN 3
4
+5V 5