Foxconn A55MX - Manual (Page 23)

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Audio Connector : f_AUDIo
The audio connector supports HD Audio standard.
It provides the Front Audio output choice.
Chassis Intruder Connector : INTR
The connector can be connected to a security switch
on the chassis. The system can detect the chassis
intrusion through the function of this connector. If
eventually the chassis is closed, the system will send
a message out.
USb Connectors : f_USb 1/2
In addition to the six USB ports on the rear panel, this
product also provides two 10-pin USB headers on
its motherboard. By connecting through USB cables
with them, user can quickly expand another four USB
ports on the front panel.
IR Connector : IR/CIR
This connector supports infrared wireless transmitting
and receiving device.
PORT1_L
PORT1_R
PORT2_L
SENSE_SEND
SENSE1_RETURN
PRESENCE_J
EMPTY
SENSE2_RETURN
AUD_GND
1 2
10 9
F_AUDIO
PORT2_R
CIR
+5VSB
EMPTY
NC
GND
NC
+5VSB
CIRRX
GND
CIRTX
EMPTY
1 2
9 10
NC
GND
VCC
D+
D-
D+
GND
D-
VCC
EMPTY
1 2
10 9
F_USB1/2
INTR
GND INTRUDERJ
1