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NI USB-9237 User Guide and Specifications 10 ni.com
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.