Appendix A Pin Assignments
19
A.7 COM1 and COM2 Serial Port (CN12, CN6)
Table A-8: RIO-3302/RIO-3302S COM1 and COM2 serial port
COM1
COM2
Pin
Signal
Pin
Signal
1
NRLSD1
1
NRLSD2
2
NRX1
2
NRX2
3
NTX1
3
NTX2
4
NDTR1
4
NDTR2
5
GND
5
GND
6
NDSR1
6
NDSR2
7
NRTS1
7
NRTS2
8
NCTS1
8
NCTS2
9
NRI1
9
NRI2
1
5
9
6
5
4
3
2
1
9
8
7
6