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July 2025
USB-232-2
USB-232/2, 2-Port, Serial Interface Device
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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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
" 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
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 USB-232/2 Serial Interface Device
The National Instruments USB-232/2 (Part Number: 778473-02) is a 2-Port Serial Interface Device. This USB based device can transform your regular USB (Universal Serial Bus) port into 2 asynchronous serial ports. Thus, you can use the USB-232/2 to communicate with RS232 devices via USB because it operates like a standard serial port and offers a hardware handshake line as well. This Serial Interface Device is fully compatible with Microsoft Windows OS and appears as a standard COM port when plugged into any standard personal computer. Thus, you can use this device with a variety of software applications that use COM ports.
With the NI USB-232/2, null modem cables aren’t required because the device can operate in DCE and DTE transceiver modes with automatic transceiver detections. The National Instruments USB-232/2 Serial Interface Device is a bus-powered device, which does not require internal batteries or an external power supply. The integrated USB cable is a type-B cable with 2 D-SUB 9-pin male connectors that provide serial connectivity. Moreover, this Serial Interface Device has TX and RX LEDs provided on the front of the device.
The USB-232/2 supports baud rates up to 230.4 kb/s and draws around 200 mA of current, while operating in typical conditions at +5 VDC from the USB channel. The NI USB-232/2 Serial Interface Device comes with a hard-plastic case and a baseplate made of metal. This device can operate in harsh conditions, since it can operate flawlessly in 0 to 70 °C ambient temperature range and 10% to 90% relative humidity.
| Model | USB-232/2 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 778473-02 |
| Type | Serial Interface Device |
| Ports | 2 |
| Supported Serial Protocols | RS232 |
| Bus Connector | USB 2.0 |
| Dimensions | 8.3 × 4.9 × 1.4 in. |
| Weight | 0.83 lb. |
| USB-232/2 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
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