The NI PXIe-8381 is a PXI Express remote control module that connects a chassis to an external host through MXI-Express Gen2 x8.
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Key product information and technical features.
The PXIe-8381 serves as the chassis-side interface in a remotely controlled PXI Express system. NI identifies the PCIe-8381 as a host interface for connecting a PC to this module.
Cable selection affects link capability: NI describes Gen2 x8 operation with copper and Gen2 x4 operation with fiber. Fiber installations also require a supported module revision and the clock configuration specified in the cable guide.
Verified product specifications.
| Bus connection | PXI Express controller interface |
|---|---|
| MXI communication level | MXI-Express Gen2 x8 |
| Theoretical maximum MXI bandwidth | 4 GB/s |
| Number of MXI ports | 1 |
| Built-in daisy-chain support | No |
| Operating temperature | 0 to 55 °C |
| Cable support | Copper; fiber-optic support requires revision B or later |
| Fiber link configuration | Gen2 x4 |
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Manufacturer
Host-to-chassis connection technology
PXI Express chassis-side remote control module
PCIe-8381
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Product-specific answers based on available technical information.
Yes, for revision B or later. NI's cable guide requires correct HOST/TARGET orientation and constant-frequency clock configuration at the upstream device. NI describes the fiber connection as Gen2 x4.
No. The PXIe-8381 is the chassis-side module; the PCIe-8381 is the host interface used in the PC.
No. NI labels 4 GB/s as theoretical maximum MXI bandwidth.