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MXI-Express x1 Series User Manual
© National Instruments Corporation
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G-7
PCI Express x1 switch
The
PCI Express Base Specification
defines a PCI Express switch as
a logical collection of PCI Express-to-PCI Express bridge devices. A
switch enables MXI-Express x1 products to extend the PCI Express
fabric of a host PC to additional endpoints, such as PXI Express
products.
PCI-PCI bridge
A device that transparently expands the PCI bus on a computer
motherboard to another bus segment in the same machine. The bridge
expands the number of PCI expansion slots, but remains transparent to
the end user.
ppm
Parts-per-million.
PXI
PCI eXtensions for Instrumentation. PXI is an open specification
that builds off the CompactPCI specification by adding
instrumentation-specific features.
R
RMS
Root mean squared.
See also
S
s
Seconds.
T
target board
The MXI-Express x1 board of a cabled pair of boards that is farther
from the CPU.
trigger
Either TTL or ECL lines used for intermodule communication.
TTL
Transistor-Transistor Logic.
U
USB
Universal Serial Bus—A serial bus for connecting computers to
keyboards, printers, and other peripheral devices.