ICP DAS USA I-7532RM-FD Service And Usage Information page 13

Generally, if your application is as follows, we recommend you to enable the
terminal resistor.
If your application is like the structure as follows, the terminal resistor is not needed.
I-7532RM-FD ( 2-port CAN/CAN FD Bridge )
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Figure 2-5-4 Application 1
Figure 2-5-5 Application 2
User Manual (version 1.0.0) Page: 13