2-12
Front USB Connector: JUSB2, JUSB3, JUSB4
This connector, compliant with Intel
®
I/O Connectivity Design Guide, is ideal for con-
necting high-speed USB interface peripherals such as
USB HDD
,
digital cameras
,
M P3 players
,
printers
,
modems and the like
.
USB 2.0 Bracket
(Optional)
Important
Note that the pins of VCC and GND must be connected correctly to avoid
possible damage.
Serial Port Connector: COM2
This connector is a 16550A high speed communications port that sends/receives 16
bytes FIFOs. You can attach a serial device to it.
PIN
SIGNAL
DESCRIPTION
1
DCD
Data Carry Detect
2
SIN
Serial In or Receive Data
3
SOUT
Serial Out or Transmit Data
4
DTR
Data Terminal Ready
5
GND
Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
CTS
Clear To Send
9
RI
Ring Indicate
Pin Definition
PIN
SIGNAL
PIN
SIGNAL
1
VCC
2
VCC
3
USB0-
4
USB1-
5
USB0+
6
USB1+
7
GND
8
GND
9
Key (no pin)
10
USBOC
Pin Definition
1
2
9
10
JUSB4
COM2
1
9
2
1
9
2
10
JUSB2/3
Manual
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