Table 7. RS-232 Serial Port Pinout
Pinout
Pin
Signal
3
4
5
6
7
8
9
10
1
2
1
No Connect
2
RI
3
CTS
4
RTS
5
DSR
6
GND
7
DTR
8
TXD
9
RXD
10
DCD
You can use the Ring Indicator (RI) on pin 2 to wake the controller from a low-power state.
You can drive RI with a logic level high to wake the cRIO-9035. Refer to the specifications on
for the RI wake voltage.
The following accessories are available to connect the RS-232 serial port to a 9-pin DSUB
plug.
Table 8. RS-232 Serial Port Accessories
Accessory
Length Part Number
RS-232, S8 Serial Cable, 10-Position Modular Plug to 9-Pin DSUB
1 m
182845-01
2 m
182845-02
3 m
182845-03
RS-485/422 (DTE) Serial Port
The cRIO-9035 has an RS-485/422 (DTE) serial port that is implemented with an RJ-50,
10-position modular jack. The RJ-50 connector is isolated from the cRIO-9035. For more
information about the electrical isolation of the RS-485/422 (DTE) port, refer to the
specifications on
Find examples on how to use NI-Serial or NI-VISA to perform serial communication in the
NI Example Finder. The NI Example Finder is located on the Help menu in the
LabVIEW
Help
.
The following table shows the pinout for the RS-485/422 (DTE) serial port.
10
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NI cRIO-9035 User Manual
