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16 audio connector : f_audio, Audio connector : cd_in, Usb connectors : f_usb 1/2 – Foxconn A55A User Manual

Page 23: Irda connector : ir/cir, Chassis intruder connector : intr

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16

Audio Connector : f_AUDIo

The audio connector supports HD Audio standard.
It provides the Front Audio output choice.

Audio Connector : CD_IN

CD_IN is a Sony standard audio connector, it can be
connected to a CD/DVD-ROM drive through a CD/DVD
audio cable.

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.

IrDA Connector : IR/CIR

This connector supports infrared wireless transmit-
ting and receiving device.

Chassis Intruder Connector : INTR

The connector can be connected to a security switch
on the chassis. The system can detect the chas-
sis intrusion through the function of this connector.
If eventually the chassis is closed, the system will
send a message out.

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

1

CD_IN

CD_L GND CD_R

NC

GND

VCC

D+

D-

D+

GND

D-

VCC

EMPTY

1 2

10

9

F_USB 1/2

INTR

GND

INTRUDERJ

1

CIR

+5V

EMPTY

IRRX

GND

IRTX

+5VSB
CIRRX
CIRTX
GND
EMPTY

1 2

9 10

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