Asus M2N-LR/SATA - Manual (Page 44)

ASUS M2N-LR Series 2-2
6. USB connector (10-1 pin USB34, USB56, USB78)
These connectors are for USB 2.0 ports. These connectors comply with the
USB 2.0 specification that supports up to 480 Mbps connection speed.
7. Serial port connector (10-1 pin COM2)
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.
The COM2 serial port module cable is optional.
M2N-LR/SATA
®
M2N-LR/SATA USB 2.0 Connectors
USB+5
V
USB_P4
-
USB_P4
+
GND NC
USB34
USB+5V USB_P3- USB_P3
+
GND
USB+5
V
USB_P6
-
USB_P6
+
GND NC
USB56
USB+5V USB_P5- USB_P5
+
GND
USB+5
V
USB_P8- USB_P8+ GND NC
USB78
USB+5V USB_P7
-
USB_P7
+
GND
M2N-LR/SATA
®
M2N-LR/SATA COM Port Connector
PIN 1
COM2