8-Slot PXI Backplane Installation Guide
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Description
The 8-slot PXI backplane contains one PXI controller slot and 7 PXI
peripheral slots. It does not include a power supply or cooling solution. You
must implement these features when installing the backplane into your
system.
Mechanical Requirements
Mounting
Figure 2 shows the backplane dimensions. There are 22 holes available for
mounting with M2.5 hardware.
The use of all mounting holes is recommended for proper backplane
support.
There are two mounting holes on top of the 8-slot PXI backplane that have
plated annular pads on the front and back of the backplane. These mounting
holes may be used to connect the backplane ground to the chassis in which
the backplane is mounted. If you do not desire to connect backplane ground
to the chassis, use insulated washers at these mounting holes. Refer to
Figure 4 for the position of the mounting holes.
Cooling
Note
National Instruments is not responsible for damage to the backplane if inadequate
cooling is used.
You should mount a fan below the backplane. Airflow should be from the
bottom to the top of the PXI modules. You must determine the airflow
requirements for your system based on the
PXI Hardware Specification
.
Handling
Cautions
Be careful to avoid bending or otherwise damaging the pins on the backplane
connectors. Bent pins may cause functional failures or damage when the backplane is
powered.
To protect both yourself and the backplane from electrical hazards, leave the chassis
powered off until you finish installing the PXI controller and modules.
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