Avalue EMX-QM77 - Manual (Page 42)

EMX-QM77 User’s Manual
42 EMX-QM77 User’s Manual
2.8.9 Serial Port connectors (COM2, COM3)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
COM2 , COM3
2.8.10 GPIO Connector (JGPIO)
This connector is for GPIO function.
JGPIO
1.DCD 6.DSR
2.RXD 7.RTS
3.TXD 8.CTS
4.DTR 9.RI/PWR
5.GND
1.SIO_GPIO0 2.SIO_GPIO4
3.SIO_GPIO1 4.SIO_GPIO5
5.SIO_GPIO2 6.SIO_GPIO6
7.SIO_GPIO3 8.SIO_GPIO7
9.SMB_CLK_RESUME 10.SMB_DAT_RESUME
11.GND 12.VCC GPIO