Anonymous Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
SMB-2148 Request for Availability
SMB-2148, 8 Input/8 Output Channels, Digital I/O Accessory
Rated 4.9/5 | 20 ratings
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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✔ NIST Calibration Available
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 SMB-2148 Digital I/O Accessory
The National Instruments SMB-2148 (Part Number: 781519-01) is a Digital I/O Accessory. This accessory is designed for the NI-5751, which is a digitizer module for NI FlexRIO systems and applications. The NI SMB-2148 comes with 8 digital inputs and 8 digital outputs. All the input and output connectors are on the accessory’s front panel. The front panel also contains a VHDCI terminal and a ground connecter. This device does not require power from an external source to operate.
The SMB-2148 is a shielded accessory. For additional shielding, you can connect the ground connector to earth ground. In typical operating conditions, the propagation delay through this accessory remains around 1.2 ns, whereas the typical value for the channel-to-channel skew is ±35 ps. The characteristic impedance is 50 Ω. The SMB-2148 has a 68-pin VHDCI connector and 16 SMB jack connectors.
| Model | SMB-2148 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 781519-01 |
| Type | Digital I/O Accessory |
| Compatible Model | NI-5751 |
| Digital Input Channels | 8, single-ended |
| Digital Output Channels | 8, single-ended |
| Typical Propagation Delay | 1.2 ns |
| Dimensions | 12.0 x 1.77 x 10.43 in. |
| Weight | 3 lb. |
| Warranty | 2-3 Year Warranty |
| SMB-2148 Manual | User Manual and Maintenance Manual Available for Download |
| Pricing | Contact a Sales Representative for a quote. |
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