MXI-4 Series

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PXI Bus Expanders

Product InfoSpecification  Ordering
PCI to PXI or PXI to PXI configurations
Multichassis configurations for PXI and CompactPCI
MXI-4 link performance
132 Mbytes/s peak
78 Mbytes/s sustained
Fiber-optic or copper cabling
Low cost with copper
Electrical isolation and long-range with fiber-optic
Rugged connectivity
Error checking and retransmission
Support for 5 V and 3.3 V PCI
3U PXI Instrument

Description

The MXI-4 PXI Bus Expanders allow for direct control of PXI systems from any PCI slot in a desktop computer or server. MXI-4 interface cards can also be used for linking multiple PXI chassis. MXI-4 technology utilizes a high-bandwidth link that is transparent to software applications and drivers, therefore providing the ability to use high performance desktop computers or servers to control PXI systems.

Features

Because PXI is based on the industry-standard PCI bus, MXI-4 Bus Expanders provide a transparent link where all PXI modules appear to the user as if they were PCI boards within the computer itself. However, with PXI technology users benefit from an increased number of slots, power and cooling per slot, module selection, and synchronization features. Additionally, with fiber optic MXI-4 you can electrically isolate your PXI measurement hardware from the PC with extended length cabling up to 200 m.
MXI-4 Series builds on the standard PCI-to-PCI bridge architecture by splitting the bridge into two halves connected by a 1.5 Gb/s serial link. The PCI specification allows up to 255 buses to be connected in a system via PCI-PCI bridges such as the MXI-4 Series.
MXI-4 supports both 3.3 V and 5 V PCI signaling environments, error checking, and re-transmission on the serial link for greater reliability in electrically noisy or harsh environments, and offers industrially rugged connectors.
The MXI-4 link consists of a either an MXI-4-PCI-C (copper) or MXI-4_PCI-F (fiber optic) board in the PC, connected via the appropriate cable to an MXI-4-PXI-C (copper) or MXI-4-PXI-F (fiber optic) module in slot 1 of a PXI chassis. For convenience, a complete MXI-4 kit with all necessary components is available, or components can be purchased separately.

Multi-Chassis Systems

MXI-4 bus expanders can be used to connect multiple PXI chassis in a star or daisy-chain configuration within a single system. To con-
next two PXI chassis together, install an MXI-4-PXI card into any peripheral slot of the master chassis. Connect with the appropriate cable to a second MXI-4-PXI in slot 1 of the slave chassis.

Applications

GX7000 Series Chassis
GX7100 Series Chassis
GX7300 Series Chassis
GX7600 Series Chassis


See Also
GX7000A Series - 6U PXI Chassis
GX7100A Series - 3U / 6U PXI Chassis
GX7300 Series - 3U PXI Chassis
MXIe-Express Series - PXI Express Bus Expander
PXI-GPIB - PXI IEEE-488 Interface Card PXI Card


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