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ASUS P3W User’s Manual 43
3. HARDWARE SETUP
Connectors
3. H/W SETUP
19) Serial Port COM 2 Header (10-1 pin COM2)
The optional serial port bracket can be used to add an additional serial port for
additional serial devices.
10101
®
P3W
P3W Serial COM2 Bracket
Pin 1
to COM2 Header
20) Serial IR (SIR) (5-pin) and Consumer IR (CIR) (5-1 pin) Connectors
This connector supports an optional wireless transmitting and receiving infrared
module. This module mounts to a small opening on system cases that support
this feature. You must also configure the setting through UART2 Use Infrared
(see 4.4.2 I/O Device Configuration) to select whether UART2 is directed for
use with COM2 or IrDA. Use the five pins as shown in Back View and connect
a ribbon cable from the module to the motherboard’s SIR connector according
to the pin definitions. An optional consumer infrared (CIR) set connects to the
CIR and SIR connectors simultaneously for both wireless transmitting and re-
mote control functions through one external infrared module. Wake On PS2
KB/Mouse in 4.5.1 Power Up Control must be Enabled in order to use Con-
sumer Infrared (CIR) power up.
10101
®
P3W
P3W Infrared Module Connector
Standard Infrared (SIR)
Front View
Back View
+5V
IRTX
IRRX
(NC)
GND
SIR
+5V
IRRX
IRTX
(NC)
GND
(NC)
GND
CIRRX
CIR+5V
CIR