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July 2025
778959-10
NI 778959-10, MXI-Express Gen 1 x1, 10 m, MXI-Express Cable
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 778959-10 MXI-Express Cable
The National Instruments 778959-10 is a 10-meter, fiber-optic MXI-Express cable designed to connect a host PC interface to a PXI or PXI Express chassis. It supports MXI-Express Gen 1 x1 communications and extends a PCI Express connection over duplex fiber-optic cable. Both ends feature 2-pin male LC/PC duplex connectors, providing a reliable connection over longer distances than conventional copper-based interconnects.
Because the 778959-10 provides a transparent PCI Express connection, the host computer can communicate with devices in the connected PXI or PXI Express chassis much like it would with locally installed hardware. This allows existing application software and device drivers to communicate with the remote chassis without requiring specialized driver development or significant changes to the host system.
The 778959-10 is commonly used as part of a remote chassis control setup, connecting an MXI-Express interface in the host computer to a compatible interface module installed in the PXI or PXI Express chassis. This type of arrangement is useful in automated test systems, data acquisition systems, and modular instrumentation where the controller needs to be located away from the measurement hardware. For example, the chassis may be installed in a separate equipment rack, shielded enclosure, or an electrically noisy environment.
The fiber-optic construction also provides electrical isolation between the connected systems. Unlike long copper connections, the optical link is not susceptible to ground loops and is less likely to be affected by electromagnetic interference, making it well suited to installations where signal integrity and system isolation are important.
The 778959-10 can also be used in multi-chassis PXI Express configurations, allowing multiple systems to be connected as part of a larger test or measurement setup. Its 10-meter length provides additional flexibility when equipment must be physically separated, while its Gen 1 x1 PCI Express interface provides the communication link required for distributed PXI-based applications.
As part of National Instruments' MXI-Express cable family, the 778959-10 is a practical choice for applications requiring a 10-meter fiber-optic PCI Express connection between a host system and PXI/PXI Express hardware.
| Model | 778959-10 |
|---|---|
| Part Number | 778959-10 |
| Part Type | Fiber-Optic Interconnect Cable |
| Communication Level | MXI-Express Gen 1 x1 |
| Length | 10 m |
| Cable Media | Duplex Fiber Optic |
| Back End Connector | 2-Pin Male LC/PC Duplex |
| Front End Connector | 2-Pin Male LC/PC Duplex |
| Data Protocol | PCI Express (transparent) |
| Host Compatibility | PCs, controllers, laptops |
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