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IQ30 3.5" Embedded SBC User Manual
2.2.26 COM1: COM Port #1
Pin
Signal Name
Description
1
FK_NDCD1
DCD
2
FK_NSIN1
RXD
3
FK_NSOUT1
TXD
4
FK_NDTR1
DTR
5
GND
GND
6
FK_NDSR1
DSR
7
FK_NRTS1
RTX
8
FK_NCTS1
CTX
9
FK_NRI1
RI
10
GND
GND
11
GND
GND
12
NC
NC
13
NC
NC
2.2.27 J7: COM Port #2
Pin
Signal Name
Description
1
FK_NDCD2
DCD
2
FK_NDSR2
DSR
3
FK_NSIN2
RXD
4
FK_NRTS2
RTX
5
FK_NSOUT2
TXD
6
FK_NCTS2
CTX
7
FK_NDTR2
DTR
8
FK_NRI2
RI
9
GND
GND
10
COM2_PWR
Power 5V (or 3.3V)