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Appendix B
Serial Port Settings
©
National Instruments Corporation
B-3
PPC-2115/TPC-2515 User Manual
PIN
RS-232
RS-422
RS-485
1
NDCD
TX–
D–
2
NRX
TX+
D+
3
NTX
RX+
—
4
NDTR
RX–
—
5
GND
GND
GND
6
NDSR
—
—
7
NRTS
—
—
8
NCTS
—
—
9
NRI
—
—
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