NI PXIe-8383mc Getting Started Guide
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© National Instruments
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3
Furthermore, any modifications to the product not expressly approved by National Instruments
could void your authority to operate it under your local regulatory rules.
Caution
To ensure the specified EMC performance, operate this product only with
shielded cables and accessories.
Functional Overview
The NI PXIe-8383mc is a PXImc adapter
1
module that allows the attachment of sub-systems
such as stand-alone instruments, PCs, or other PXI-Express systems to an existing PXI-Express
system via a high-bandwidth, low-latency cabled MXI-Express x8 link
2
. The NI PXIe-8383mc
contains a PXImc Logic Block that makes it possible to join systems together non-transparently.
Figure 1 illustrates where the PXImc Logic Block is applied to join the Root Complexes of
two systems.
Figure 1.
PXImc System Diagram
In the example shown, the system on the right is designated as a PXImc Device since it contains
the PXImc Logic block (i.e. the NI PXIe-8383mc). The system on the left is designated the
Primary System Host, which serves as the central connection hub for all other PXImc Devices.
1
Refer to Chapters 1 and 2 of the
PXI-7 PXI MultiComputing Hardware Specification
Revision 1.0
available on the
pxisa.org
website for relevant terminology and concepts used in this guide.
2
The MXI-Express link is compatible with the
PCI Express External Cabling 2.0 Specification
developed
by the PCISIG.
NTB
Endpoint
Endpoint
En
dpoi
n
t
Endpoint
Prim
a
ry
S
y
s
tem Ho
s
t
PXImc Device
MC
Root Complex
Memory
CPU
PXImc Logic Block
Endpoint
Endpoint
Endpoint
Endpoint
Root Complex
CPU
Memory
Phy
s
ic
a
l
Exp
a
n
s
ion
S
lot/Port
Bridge
