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2.2.7.
COM Connector
The mainboard includes one onboard COM connector in addition to COM
port on the external I/O. The onboard COM connector labeled as “COM1” is
used to attach additional COM port that support RS-232 standard. The pinout
of 10-pin COM connector is as shown below.
Figure
Figure
Figure
Figure 25
25
25
25: COM connector
: COM connector
: COM connector
: COM connector
Pin
Pin
Pin
Pin Signal
Signal
Signal
Signal
1
DCD_1
2
RXD_1
3
TXD_1
4
DTR_1
5
GND
6
DSR_1
7
RTS_1
8
CTS_1
9
RI_5_12V1
10
NC
Table
Table
Table
Table 15
15
15
15: COM connector pinout
: COM connector pinout
: COM connector pinout
: COM connector pinout
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