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J7
COM1 serial port
The standard PC pinout is used. To connect to a PC, use a null modem or "Laplink" cable.
1
DCD
data carrier detect (input)
2
RXD#
receive data (input)
3
TXD#
transmit data (output)
4
DTR
data terminal ready (output)
5
GND
ground
6
DSR
data set ready (input)
7
RTS
ready to send (output)
8
CTS
clear to send (input)
9
RI
ring indicator (input)
J9
COM2 serial port
10 pin header. (DB9 pin numbers in parantheses). Use an off-the-shelf 10 pin to DB9 cable. Please
note that there are two different configurations for these cables...
1 (1)
DCD
data carrier detect (input)
3 (2)
RXD#
receive data (input)
5 (3)
TXD#
transmit data (output)
7 (4)
DTR
data terminal ready (output)
9 (5)
GND
ground
2 (6)
DSR
data set ready (input)
4 (7)
RTS
ready to send (output)
6 (8)
CTS
clear to send (input)
8 (9)
RI
ring indicator (input)
10
nc
no connect
J8
USB jack
Dual USB 2.0 connections:
1
VCC
switched +5V supply
2
DATA4-
negative data
3
DATA4+
positive data
4
GND
ground
5
VCC
switched +5V supply
6
DATA3-
negative data
7
DATA3+
positive data
8
GND
ground
J12
USB header
Dual USB 2.0 connections:
1
VCC
switched +5V supply
2
VCC
"
3
DATA1-
negative data
4
DATA2-
negative data
5
DATA1+
positive data
6
DATA2+
positive data
7
GND
ground
8
GND
ground
9
key
key pin (missing)
ALIX system board
All manuals and user guides at all-guides.com
12
2/21/2008
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