NI USB-9237 User Guide and Specifications
10
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Caution
National Instruments does not recommend using an RJ-45 with the NI USB-9237
because it can physically damage pins 1 and 10 on the device, and thus permanently disable
shunt calibration no matter what connector you use.
Table 2.
Terminal Assignments
RJ-50 (10p10c)
Modular Plug
and Receptacle
Pin Numbers
RJ-50 Pin
RJ-45 Pin
Signal
Name
Signal
Description
1
—
SC
Shunt calibration
2
1
AI+
Positive input
signal
3
2
AI–
Negative input
signal
4
3
RS+
Positive remote
sense signal
5
4
RS–
Negative remote
sense signal
6
5
EX+
Positive
excitation signal*
7
6
EX–
Negative
excitation signal*
8
7
T+
TEDS data
9
8
T–
TEDS return*
10
—
SC
Shunt calibration
* These signals are shared by all four RJ-50 connectors on the NI USB-9237.
