The National Instruments PXI1042 Series 8-slot chassis are
designed to meet the needs of a wide range of test and measurement
applications. The NI PXI-1042 Series includes the PXI-1042 and the
PXI-1042Q. The PXI-1042 operates in a temperature range extended
to 55 C. The PXI-1042Q offers quieter operation with acoustic
emissions as low as 43 dBA. The PXI-1042 Series chassis incorporate
all features of the latest PXI specification; including the built-in
10 MHz reference clock PXI trigger bus star trigger and local bus.