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Appendix B Cabling Requirements for PXI-8461 High-Speed CAN
© National Instruments Corporation B-3 PXI-8461 or PXI-8460 and NI-CAN for Windows NT
Figure B-3. PXI-8461 Part Locator Diagram
Connecting pins 1 and 2 of a jumper configures the CAN physical layer to
be powered externally (from the bus cable power). In this configuration, the
power must be supplied on the V+ and V– pins on the port connector.
Connecting pins 2 and 3 of a jumper configures the CAN physical layer to
be powered internally (from the board). In this configuration, the V– signal
serves as the reference ground for the isolated signals.
1 Power Supply Jumper J6
2 Power Supply Jumper J5
3 Assembly Number
4 Product Name
5 Serial Number
2
1
3 4
5