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The COM port on the front panel of the OPS Module provides serial
communication. The following illustration shows the pin assignments of the
COM port:
The OPS Module also provides pin headers for miscellaneous connectivity.
The following tables list the pin assignments of these connectors:
CPU Fan 1 (CN43)
Pins
Pin Assignment
4
Speed Control
3
Sense
2
Power
1
Ground
COM 1 (RS232)
1 2 3 4 5
6 7 8 9
LPC (J14)
Pins
Pin Assignment Pins
7
L_AD3
6
3V3
5
L_FRAME#
4
L_AD0
3
L_RST#
2
L_AD1
1
L_CLK
11
Pin Assignment
14
5V
13
5VSB
12
GND
11
INT_SERIRQ
10
Key
9
L_AD2
8
GND
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