National Instruments MXI 用户手册

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Common Questions
This appendix lists common questions related to the use of the 
MXI-Express controllers.
General Hardware
What are the board names of the MXI-Express remote controllers? 
NI PCIe-8361/8362: PCI Express MXI-Express interface
NI PXIe-8360: PXI Express MXI-Express interface
How many PXI bus segments can I connect together with 
MXI-Express? 
The PCI specification allows up to 255 bus segments. MXI-Express does 
not limit this number, but the maximum number of bus segments allowed 
can be BIOS or operating system dependent. Also, a computer may already 
have several PCI bus segments internally, and the MXI-Express link also 
has multiple PCI buses internally. Every PCI Express device has at least 
1 bus segment, though it will have more if it includes a bridge or switch.
What host PCs are compatible with MXI-Express for PXI Express?
Refer to KnowledgeBase 3U7CI4D8 at 
ni.com
.
Note
Due to the point-to-point nature of PCI Express, MXI-Express supports only the star 
configuration. You must use traditional MXI for the daisy chain configuration.
General Cabling
What is the maximum length of a MXI-Express copper cable?
The maximum length for a MXI-Express copper cable is 7 m. National 
Instruments offers 3 m and 7 m copper cables.