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July 2025
PXI-8432-4
PXI-8432/4, 4-Port, Isolated Port-to-Port Communication, RS-232 Serial Interface Module
Actual item may vary if no part number is provided on quote request.
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" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
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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-8432/4 PXI Serial Interface Module
The PXI-8432/4 (Part Number: 779538-01) 4 Port, Isolated RS-232, Serial Interface Module allows the user to introduce and utilize the USB-232 and USB-485 as standard serial ports from the user’s current applications or with applications composed with NI-VISA. In addition, the 2-port and 4-port adaptations of the USB-232 incorporate programming selectable DTE or DCE handset modes and a programmed handset identification mode, also known as Auto232. The USB-485 has a predisposition selectable by programming, with which the user can activate and deactivate the deviation for each port.
The NI PXI-8432/4 comes with Ethernet interfaces. National Instruments ENET-232 and ENET-485 serial gadget servers interface Ethernet 100BaseTX (100 Mb/s) or 10BaseT (10 Mb/s) Ethernet systems to non-concurrent serial ports for communication with serial gadgets. They accompany 2 or 4 port alternatives and utilize standard interchanges RS-232, RS-422, or RS-485. All items are delivered with the driver programming for Windows 2000/NT/XP.
The TCP/IP communication protocol, which handles all interchanges between the serial gadget server and the host PC, is executed in the firmware incorporated with the server of the serial gadget. A design utility arranges the IP address of the serial gadget server and uncovers all extra serial ports to the working framework used by any application programming bundle utilizing a standard Microsoft Windows serial interface (COM).
The PXI-8432/4 is now Obsolete and is no longer available from the manufacturer National Instruments. However, the PXI Serial Interface Module will remain available in perpetuity for purchase and repair services with Apex Waves!
| Model | PXI-8432/4 |
|---|---|
| Part Number | 779538-01 |
| Manufacturer | National Instruments |
| Type | PXI Serial Interface Module |
| Ports | 4 |
| Supported Serial Protocol | RS-232 |
| Isolation Type | Port-PC Isolation, Port-Port Isolation |
| I/O Connector | 10-Position Modular Jack |
| Maximum Baud Rate | 1 Mbps |
| Power Requirement | +5 VDC, 925 mA (Typical), 2 A (Maximum) |
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | –20 to 70 °C |
| Dimensions | 3.94 × 6.37 in. (100 × 160 mm) |
| Weight | 147 g |
| PXI-8432/4 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Request a Quote for Pricing Information |
Associated part numbers for PXI-8432-4:
National Instruments PXI-8432/4 Frequently Asked Questions
Question: What type of I/O connectors does the PXI-8432/4 have?
Answer: The module utilizes has four 10-position modular RJ-50 I/O connectors.
Question: What is the maximum serial transfer rate?
Answer: The maximum serial transfer rate for the NI PXI-8432/4 is 1,000,000 bps.
Question: What is the FIFO size of the PXI-8432/4?
Answer: The FIFO size is 128 Bytes.
Question: What is the power requirement from the PXI channel for the NI PXI-8432/4 Serial Interface?
Answer: The power requirement from the PXI channel is 925 mA typical, 2 A maximum at +5 VDC.
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