© National Instruments
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2-3
Connecting Signals
Refer to the following tables for connector pin assignments.
EX<0..5> GND
Ground terminal of the voltage excitation channels 0 to 5.
GND
Ground terminal.
NC
Not connected. These pins have no functionality.
RESERVED
Reserved for accessories or other use.
Table 2-2.
RJ50 Connector Pin Assignments
RJ50 Modular Plug
Pin Number Diagram
Pin
Signal Name
Signal Description
1
NC
No connect
2
AI+
Positive analog input signal (0 to 5)
3
AI-
Negative analog input signal (0 to 5)
4
NC
—
5
NC
—
6
EX+
Positive excitation (0 to 5),
PXIe-4480 only
7
EX GND
Excitation ground (0 to 5),
PXIe-4480 only
8
NC
—
9
GND
Ground
10
NC
—
Shell
GND
Ground
Table 2-1.
Signal Descriptions (Continued)
Signal Name
Description
10
1