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July 2025
USB-485-2
USB-485/2, 2-Port, RS-485/RS-422 Serial Interface Device
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
" 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-485/2 Serial Interface Device
The USB-485/2 (Part Number: 778476-02) is 2-Port Serial Interface Device manufactured by National Instruments. The case material is hard plastic and includes a metal baseplate. The input/output connector of this instrument is a DB-9 male connector. The power requirement from the USB channel of this device at +5 VDC is 300 mA typically. The maximum value for the power requirement is 500 mA. The value of the maximum baud rate of the National Instruments USB-485/2 is 460.8 kbps. This Serial Interface Device supports standard baud rates below the maximum.
The NI USB-485/2 device offers optimal performance for indoor use only. This product is tested in accordance with international standards, so it offers a high-class performance in intensive operating environments. The maximum working altitude for this product is 2,000 m. The cable for the USB-485/2 device is available in different lengths. The user can select the length of the cable according to their needs. The maximum length of this cable is 4,000 feet. This product also offers Data line ESD protection of ±15 kV.
The USB-485/2 Serial Interface Device is intended for indoor use only. The FIFO size for this device is 128 Bytes. This Serial Interface Device utilizes bicolor LEDs. The purpose of bicolor LEDs is to indicate both the device and port status. This device meets the electromagnetic compatibility standards. The storage temperature range for this device is from -40 to 85 degrees Celsius. This wide range of storage temperature shows the quality of this product.
| Model | USB-485/2 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 778476-02 |
| Type | Serial Interface Device |
| Ports | 2 |
| Supported Serial Protocols | RS-422/RS-485 |
| FIFO Size | 128 Bytes |
| Dimensions | 8.3 × 4.9 × 1.4 in. |
| Weight | 0.83 lb. |
| USB-485/2 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for USB-485-2:
National Instruments USB-485/2 Frequently Asked Questions
Question: What is the supported power input of the National Instruments USB-485/2?
Answer: The supported power input of the National Instruments USB-485/2 is United States 120 VAC.
Question: Which type of USB connector does the NI USB-485/2 have?
Answer: The NI USB-485/2 has a USB standard series B connector.
Question: What is the maximum transfer rate of the USB-485/2?
Answer: The maximum transfer rate of the USB-485/2 is 460.8 kb/s.
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