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IV. SETTING INTERRUPT LEVELS (IRQS)
The DS-102 interrupt circuitry allows each port to use any interrupt
level in the range IRQ2 through IRQ7. The interrupt levels are selected
using jumper packs J5 for Serial 1 and J6 for Serial 2. In Figure 7, the
factory default settings for Serial 1 and Serial 2 are shown.
IRQ7
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
Serial 2
J6
Default is IRQ 3
J5
Serial 1
Default is IRQ 4
IRQ7
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
Figure 7 --- Interrupt level (IRQ) selection
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Quatech
DS-102 User's Manual