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    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, and the right local bus signal from slot 18 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.