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Selecting the Interrupt Line Number
The multiplexer module generates interrupts at the end of a downloaded
scan list. The interrupt line number switch determines which backplane
IRQ line will be used. Different mainframes and resource managers
recognize different backplane IRQ lines. The interrupt line number must be
set to the line number your system is programmed to recognize. Refer to
your mainframe manual.
Refer to Figure 2-5 to change the interrupt lines. Valid line numbers are
from 1 to 7. Set the interrupt line number to the mainframe interrupt
handler number.
Figure 2-5. Setting the Interrupt Line Number
20 Configuring the HP E1351A/53A FET Multiplexer Modules Chapter 2