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G-5
MTBF
Mean time between failure.
MTTR
Mean time to repair.
N
NEMA
National Electrical Manufacturers Association.
NI
National Instruments.
P
power supply shuttle
A removable module that contains the chassis power supply.
PXI
PCI eXtensions for Instrumentation.
PXI_CLK10
10 MHz PXI system reference clock.
R
RH
Relative humidity.
RMS
Root mean square.
S
s
Seconds.
skew
Deviation in signal transmission times.
slot blocker
An assembly installed into an empty slot to improve the airflow
in adjacent slots.
standby
The backplane is unpowered (off), but the chassis is still
connected to AC power mains.
System controller
A module configured for installation in Slot 1of a PXI chassis.
This device is unique in the PXI system in that it performs the
system controller functions, including clock sourcing and
arbitration for data transfers across the backplane. Installing
such a device into any other slot can damage the device, the
PXI backplane, or both.