Chapter 1
Getting Started
NI PXIe-1071 User Manual
1-8
ni.com
By default, the system controller will control the power supply with the
PS_ON# signals. A logic low on this line will turn the power supply on.
Note
The Inhibit Mode switch on the backplane must be in the
Default
position for the
system controller to have control of the power supply. Refer to the
Inhibit Mode Switch
section of Chapter 2,
Installation and Configuration
, for details about the Inhibit Mode
switch.
Hybrid Peripheral Slots
The chassis provides three hybrid peripheral slots as defined by the
PXI-5
PXI Express Hardware Specification
: slots 2-4. A hybrid peripheral slot
can accept the following peripheral modules:
•
A PXI Express Peripheral with x4 or x1 PCI Express link to the system
slot
•
A CompactPCI Express Type-2 Peripheral with x4 or x1 PCI Express
link to the system slot
•
A hybrid-compatible PXI Peripheral module that has been modified by
replacing the J2 connector with an XJ4 connector installed in the upper
eight rows of J2. Refer to the
PXI Express Specification
for details. The
PXI Peripheral communicates through the backplane’s 32-bit PCI bus.
•
A CompactPCI 32-bit peripheral on the backplane’s 32-bit PCI bus
The hybrid peripheral slots provide PXI Express functionality (excluding
DSTAR and PXI Star) and 32-bit PXI functionality except for PXI Local
Bus. The hybrid peripheral slot only connects to PXI Local Bus 6 left and
right.
PXI Local Bus
The PXI backplane local bus is a daisy-chained bus that connects each
peripheral slot with adjacent peripheral slots to the left and right.
The backplane routes PXI Local Bus 6 between adjacent PXI slots. The left
Local Bus 6 from slot 1 is not routed anywhere. The right Local Bus 6 from
slot 4 also is not routed anywhere.
Local bus signals may range from high-speed TTL signals to analog signals
as high as 42 V.
Initialization software uses the configuration information specific to each
adjacent peripheral module to evaluate local bus compatibility.
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