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PXIe-8370 Block Diagram
Cabled
PCI Express x4
Copper
Note
The PXIe-8370 also supports dual link mode, which converts the links to the
chassis backplane into two Gen 1 x8 links instead of four Gen 1 x4 links.
Basic MXI-Express x4 System
The simplest MXI-Express x4 system consists of a PCIe-8371/8372 in a PC connected to a
PXIe-8370 in the controller slot of a PXI Express chassis, as shown in the following figure.
Figure 2. Example of a Basic MXI-Express x4 Link Topology
Larger MXI-Express x4 Systems
The PCIe-8372 has two MXI-Express x4 connectors, allowing one PCIe-8372 to host two
different PXIe-8370 cards in separate PXI Express or CompactPCI Express chassis. If multiple
PCI Express slots are available in the host PC, you can connect additional PXI Express chassis
by installing an additional PCIe-8371/8372 in any available PCI Express slot.
4 | ni.com | PXIe-8370 User Manual
Figure 1. PXIe-8370 (194402x-02) Block Diagram
PCIe Gen 1 x4
Host PC to Target PXI Express Chassis
PCIe Gen 1 x4
PCIe Gen 1 x4
PCIe Switch
PCIe Gen 1 x4
PCIe Gen 1 x4
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