Interrupt Lines - Single Interrupt; Interrupt Lines - Common Interrupt; Fig. 5-3: Selection Of The Interrupt Lines Through Jumper J31; Fig. 5-4: Common Interrupt: Example With Irq3 - Addi-Data ADDICOM PA 7400 Series Technical Description

PA 7400

Interrupt lines - Single interrupt

Fig. 5-3: selection of the interrupt lines through jumper J31

Jumper 8 is not set.

Table 5-4: Setting the interrupt lines for the parallel port

Interrupt lines - Common interrupt

You can save interrupt lines in your system by operating both serial ports
through a common interrupt.
Jumper J31: You can set the jumper for common interrupt as you wish, either

Fig. 5-4: Common interrupt: Example with IRQ3

12
Description Jumper settings
IRQ 7
IRQ5
No IRQ
up or down.
Technical description
Settings at
delivery
4
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Chapter 5