©
National Instruments Corp.
7
NI 9871 Operating Instructions
The cables included with your kit convert the RJ-50 pinout to the
standard NI pinout, as shown in Table 2.
Table 2.
Pin Assignments for RS485/RS422 DB-9 Male Connector
Connector
Pin
Signal
1
GND
2
CTS+
3
RTS+
4
RXD+
5
RXD–
6
CTS–
7
RTS–
8
TXD+
9
TXD–
6
7
8
9
1
2
3
4
5