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AIMB-556
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Appendix B
B.9 RS-232 Interface (COM3/COM4)
T
a
ble B.9: RS-232 Interface (COM3/COM4)
Pin
Signal
1
DCD
2R
X
D
3
TXD
4D
T
R
5
GND
6D
S
R
7
RT
S
8C
T
S
9
RI
5
4
3
2
1
9
6
7
8
5
4
3
2
1
9
6
7
8
COM3
COM4
1
...
...
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