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UNO-2174A/2178A User Manual
32
A.4 RS-232/485 Serial Port (COM3-COM6)
This function is enabled through expansion cable (UNO-2178A only).
Table A.4: RS-232/485 Serial Port Pin Assignments
Pin
RS-232 Signal Name
RS-485 Signal Name
1
NC
Data-
2
RxD
Data+
3
TxD
NC
4
NC
NC
5
GND
GND
6
NC
NC
7
RTS
NC
8
CTS
NC
9
NC
NC
Содержание UNO-2174A
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Страница 35: ...Appendix A System Settings and Pin Assignments ...