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July 2025
PXI-8432-2
PXI-8432/2, 2-Port, DB-9 Male I/O Connectors, RS-232 Interface Module
Actual item may vary if no part number is provided on quote request.
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Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
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May 2025
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January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments PXI-8432/2 PXI Serial Interface Module
The 2-Port, Isolated, RS232 Serial Interface Module PXI-8432/2 (Part Number: 779744-01, 191050C-01L) is a superior interface for rapid port-to-port isolated communication with RS-232 gadgets. It has elite, multi-threaded DMA transfers and multiprocessor support. NI Serial Interfaces additionally appear as standard COM ports for compatibility with programs that use serial communications.
The NI PXI-8432/2 high-execution serial interfaces deliver many highlights, such as adaptable baud rates up to 2 Mb/s, and hyper threading and multiprocessor similarity. With the adaptable baud rate abilities of the NI PXI-8432/2 Serial Interface Module, the user can communicate with gadgets that work with nonstandard baud rates running from 57 b/w up to 2 Mb/s inside 1 percent and standard baud rates inside 0.01 percent. With multiprocessor and hyper threading similarity, the user can additionally take advantage of the most recent PC innovation for higher speeds and enhanced productivity. The new programming driver included with the gadget offers better asset designation and DMA access for higher throughput with CPU use. Moreover, the PXI-8432/2 interface incorporates new memory-mapping highlights that can be used to associate with more serial gadgets without resource conflicts. The NI PXI-8432/2 interface is a universal board, completely compatible with both 5 and 3.3 V signaling conditions so the board can work in an extensive variety of PCs.
Apex Waves will continue to Buy, Sell, and Repair EOL NI Hardware in perpetuity. While the PXI-8432/2 is now considered Obsolete and is no longer available directly from National Instruments, it will remain available for purchase and repairs with Apex Waves. Request a quote today!
| Model | PXI-8432/2 |
|---|---|
| Part Number | 779743-01, 191050C-01L |
| Manufacturer | National Instruments |
| Type | PXI Serial Interface Module |
| Ports | 2 |
| Supported Serial Protocol | RS-232 |
| Isolation Type | Port-PC Isolation, Port-Port Isolation |
| I/O Connector | Two DB-9 Male Connectors |
| Power Requirement | 725 mA (Typical), 1 A (Maximum) at +5 VDC |
| Max Baud Rate | 1 Mbps |
| Operating Temp Range | 0 to 55 °C |
| Storage Temp Range | –20 to 70 °C |
| Dimensions | 3.94 × 6.37 in. (100 × 160 mm) |
| Weight | 125 g. |
| PXI-8432/2 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Submit a Quote Request for Pricing |
Associated part numbers for PXI-8432-2:
National Instruments PXI-8432/2 Frequently Asked Questions
Question: What type of I/O connector is on the PXI-8432/2?
Answer: The Serial Interface Module has two DB-9 male I/O connectors.
Question: What is the maximum baud rate for the NI PXI-8432/2?
Answer: The maximum baud rate is 1 Mbps.
Question: What is the continuous port-to-port isolation voltage?
Answer: The continuous port-to-port isolation voltage for the PXI-8432/2 is 60 VDC (CAT I).
Question: What is the power requirement from the PXI channel for the NI PXI-8432/2?
Answer: The power requirement from the PXI channel is typically 725 mA +5 VDC, and is 1 A at maximum.
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