National Instruments PXI-8420/4 RS232 4-Port Interface Card

National Instruments PXI-8420/4 RS232 4-Port Interface Card

This unit ships as shown, with no other cables, CDs, or accessories.

Part Number: 185447D-01

Have a quote from somewhere else? Click Here
Stock # 49450-5
Quick Quote
Sell Yours
Repair Quote
  • More Info
  • Tech Specs
  • Additional Photos
  • Datasheets / Manuals 
  • View It Live Request 
Contact Us
National Instruments PXI-8420 RS232 Interface Card

  • Compatible with the PC Serial (COM) Port
  • Plug-and-Play Compatibility
  • Transmit and Receive FIFOs


National Instruments PXI-8420 interface cards give you connectivity to the many serial devices available for test and measurement, industrial, manufacturing, and laboratory data acquisition. Many applications simply need more serial ports than a standard PC offers. In test and measurement and laboratory applications, many instruments, such as oscilloscopes, multimeters, chromatographs, and spectrometers, use RS-232 for a low-cost connection. In manufacturing applications, devices such as barcode readers and scales also use the serial port for communicating to a host computer.

The PXI 8420 interface card is available with up to 16 ports. These devices can be used as standard serial ports with existing applications or with applications written with NI-VISA.

Product Family: PXI-8420, PXI8420, PXI 8420, PXI-8420/2, PXI8420/2, PXI 8420/2, PXI-8420-2, PXI8420-2, PXI 8420-2, PXI-84202, PXI84202, PXI 84202, PXI-8420 2, PXI8420 2, PXI 8420 2, PXI-8420/4, PXI8420/4, PXI 8420/4, PXI-8420-4, PXI8420-4, PXI 8420-4, PXI-84204, PXI84204, PXI 84204, PXI-8420 4, PXI8420 4, PXI 8420 4, PXI-8420/8, PXI8420/8, PXI 8420/8, PXI-8420-8, PXI8420-8, PXI 8420-8, PXI-84208, PXI84208, PXI 84208, PXI-8420 8, PXI8420 8, PXI 8420 8, 777733-02, 777733-04, 777733-08, 777733-16

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

Contact Us


Contact Us

Item Images

Click a thumbnail to view larger image:

National Instruments PXI-8420 RS232 Interface Card

Contact Us

View It Live

View equipment LIVE - Before you buy!

InstraView™ Equipment Inspection

Buying used equipment doesn't always have to be a shot in the dark. We know there are plenty of differences when it comes to used equipment and quite often, choosing between different pieces is difficult, especially when the equipment is not sitting right in front of you.

Well, what if you were able to see a piece of equipment before you purchased it? Not just a picture from the manufacturer's website, but the actual piece of equipment you would receive.
With InstraView™, we move you one step closer to inspecting the equipment you're interested in without having to wait for the equipment to show up at your door.

InstraView™ works in your web browser and allows you to view the actual piece of equipment you're interested in before purchasing. You can zoom in close to see the labels with the serial number or zoom out to see the overall condition of the equipment.

It's like having the store come to you!

InstraView Request Form

To get started:

  1.   Fill in the request form below
  2.   We'll send you an email letting you know exactly when your piece of equipment will be available for viewing

Item to Inspect: 49450-5 - National Instruments PXI-8420/4 RS232 4-Port Interface Card

All you need is a web browser (ie. Microsoft Internet Explorer or Netscape) and Sun's Java Runtime Environment installed. If you need to install the Sun Java Runtime, you may download the latest Java SE Runtime Environment (JRE)