Asus AT4NM10-I - Manual (Page 26)

1-17 Chapter 1: Product introduction
10. Serial port connector (10-1 pin COM2)
The connector is for a serial (COM) port. Connect the serial port module cable to the
connector, then install the module to a slot opening at the back of the system chassis.
The serial port bracket (COM2) is purchased separately.
AT4NM10-I Serial port (COM2) connector
AT4NM10-I
11. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect
the S/PDIF Out module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
+5
V
SPDIFOU
T
GND
AT4NM10-I Digital audio connector
AT4NM10-
I
The S/PDIF module is purchased separately.