Manual

User’s Manual
ECM-QM87R/ ECM-QM87 User’s Manual 25
2.4.9 COM 1 RS-422-485 mode (RS422_1)
Signal
PIN
PIN
Signal
485_422TX1-
2
1
422RX1-
485_422TX1+
4
3
422RX1+
+5V
6
5
GND
Note:
J422/485 is available after modify the mode of COM1
in BIOS setting
2.4.10 LCD inverter connector (JBKL1)
Signal
PIN
+12V
1
GND
2
BKLEN
3
VBRIGHT
4
+5V
5