INSTALLATIONS
18 MI990 User’s Manual
J1, J2, J3, J4: COM6, COM5, COM4, COM3 RS232 Serial Ports
Signal Name Pin #
Pin #
Signal Name
DCD#
1
6
DSR#
SIN#
2
7
RTS#
SOUT
3
8
CTS#
DTR#
4
9
RI#
GND
5
X
KEY
J5: ATX Power Supply Connector
Signal Name
Pin #
Pin #
Signal Name
3.3V
11
1
3.3V
-12V
12
2
3.3V
Ground
13
3
Ground
PS-ON
14
4
+5V
Ground
15
5
Ground
Ground
16
6
+5V
Ground
17
7
Ground
-5V
18
8
Power good
+5V
19
9
5VSB
+5V
20
10
+12V
9
10
1 2
10 20
1 11
Содержание MI990
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