PCI Express Control of PXI Express
(MXI-Express x4 for PXI Express)
NI PXIe-PCIe8371, NI PXIe-PCIe8372, NI PCIe-8371,
NI PCIe-8372, NI PXIe-8370 Higher Throughput!
• PCI Express control of
PXI Express/CompactPCI Express
• Control of two PXI Express/CompactPCI
Express chassis from a single
PCI Express board (NI PCIe-8372)
• Sustained throughput
• 832 MB/s (2 chassis combined,
NI PXIe-PCIe8372)
• 798 MB/s (1 chassis, NI PXIe-PCIe837x)
• Cabled PCI Express spec compliant
• Software transparent link that requires
no programming
• Cabling up to 7 m
• Rugged connectivity
Overview
Cabled PCI Express Technology
With National Instruments MXI-Express x4 (“by four”) for PXI Express
interface kits, PC users with x4 or higher PCI Express slots can exercise
The NI PCIe-8371 and NI PCIe-8372 boards provide one and two cabled
PCI Express links, respectively. The links have x4 (a link comprised of four
direct control of PXI Express systems using cabled PCI Express technology. x1 PCI Express lanes) lane widths. The NI PXIe-8370 module connects
NI MXI-Express x4 for PXI Express, a high-bandwidth serial link transparent
to software applications and drivers provides the ability to use high-
performance desktop computers, servers, and workstations to control
PXI Express systems.
these PCI Express links to the PCI Express bus used in the PXI Express
chassis backplane. Thus, all PXI and PXI Express modules appear as PCI
boards within the computer itself.
PCI Software Compatibility
PCI Express features software compatibility with PCI. Without making any
modifications to your software, you can use a MXI-Express x4 for PXI Express
link with an application written for a PXI system controlled via a PCI or
PCI Express Control of PXI Express
With a MXI-Express x4 for PXI Express link, you can transparently control a
PXI Express system from a x4 or higher PCI Express slot, so you can use
desktop computers, servers, and workstations to control PXI Express systems. PCI Express remote controller, such as MXI-3, MXI-4, or MXI-Express.
MXI-Express x4 for PXI Express features a fully transparent high bandwidth
Multichassis PXI Systems
cabled PCI Express link where all PXI and PXI Express modules appear as
PCI boards within the computer itself. However, you benefit from the
increased number of slots, power and cooling per slot, module selection,
and synchronization features provided by PXI. The MXI-Express x4 for
You can use a single NI PCIe-8372 board to simultaneously control two
PXI Express systems. You also can incorporate multiple NI PCIe-8371 or
NI PCIe-8372 boards in a PC with multiple x4 or higher PCI Express slots
PXI Express link consists of an NI PCIe-8371 or NI PCIe-8372 board in the PC to add PXI Express chassis to a system. You cannot use an NI PXIe-8370
that is connected via a x4 MXI-Express cable to an NI PXIe-8370 module in module to daisy chain multiple PXI Express chassis. However, using MXI-4,
slot 1 of a PXI Express chassis. The NI PCIe-8371 board provides one cabled you can connect a PXI Express chassis to PXI chassis in a star or daisy-chain
PCI Express link, which you can cable to an NI PXIe-8370 module in a PXI configuration within a single system. To connect a PXI Express chassis
Express chassis. The NI PCIe-8372 board provides two cabled PCI Express together with a PXI chassis with MXI-4, install a National Instruments
links, each of which you can cable to individual NI PXIe-8370 modules in
separate PXI Express chassis. Thus, you can use a single NI PCIe-8372
board and two NI PXIe-8370 modules to simultaneously control two PXI
Express systems. For your convenience, you can purchase a complete
MXI-Express x4 for PXI Express kit with all necessary components or the
PCI Express board, PXI Express module, and cable separately.
PXI-8331 (copper) or PXI-8336 (fiber-optic) module into any PXI peripheral
slot of the master PXI Express chassis, and connect it with the appropriate
cable to a second PXI-8331 or PXI-8336 in slot 1 of the slave PXI chassis.
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