User Manual

User’s Manual
ECM-QM57 User’s Manual
27
2.4.7 CPU fan connector (CPU_FAN1/ SYS_FAN1)
Signal
PIN
GND
1
CPU_FAN_PWR/ SYS_FAN_PWR
2
CPUFANIN/ SYSFANIN
3
2.4.8 Serial port 1 in RS-422/485 mode (J422/485)
Signal
PIN
PIN
Signal
485RX-
2
1
485TX-
485RX+
4
3
485TX+
GND
6
5
+5V
CPU_FAN1
SYS_FAN1