The National Instruments PXI-8432/2 provides two isolated RS-232 serial ports in a PXI module. It supports communication rates up to 1 Mbaud.
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Key product information and technical features.
The PXI-8432/2 adds isolated RS-232 connectivity to a PXI system. NI lists this two-port model among the interfaces supported by NI-Serial 21.3.
The module uses two DB-9 male connectors. It should not be confused with the four-port PXI-8432/4, which uses 10P10C connectors.
Verified product specifications.
| Bus platform | PXI |
|---|---|
| Serial protocol | RS-232 |
| Serial port count | 2 ports |
| Maximum baud rate | 1000000 baud |
| I/O connectors | 2 × DB-9 male |
| FIFO size | 128 bytes |
| Dimensions | 100 × 160 mm |
| Form factor | 3U |
| Continuous port-to-port isolation | 60 VDC, CAT I |
| Port-to-port dielectric withstand | 2000 Vrms, 5-second test |
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Manufacturer
Hardware platform
Two-port isolated RS-232 interface
Listed in the NI-Serial 21.3 supported-interface table.
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Product-specific answers based on available technical information.
It provides two RS-232 ports. The PXI-8432/4 is the four-port model.
No. NI specifies two DB-9 male connectors for the PXI-8432/2; the four-port version uses 10P10C connectors.
NI lists the PXI-8432/2 as an RS-232 interface, not an RS-485/RS-422 interface.
The NI-Serial 21.3 Readme explicitly lists the PXI-8432/2 as supported hardware. Verify the selected driver release against your host environment.