
Hardware Installation 9
Example: Mode 3 – two IRQs (Xtreme/104 Opto, 4 port model only)
The following example shows the settings on JB3 and the IRQ jumper
blocks JB1 and JB2 so that ports 1, 2 interrupt on IRQ 7 and ports 3,
4 interrupt on IRQ 10.
JB3
IRQ select
B
9
7
4 36
5
IRQ jumper block
JB1
C
D
15
11
1014
12
IRQ jumper block
JB2
A
B
C
D
E
F
G
Example: Mode 4 – four IRQs (Xtreme/104 Opto, 4 port model only)
The following example shows the settings on JB3 and the IRQ jumper
blocks JB1 and JB2 so that Port 1interrupts on IRQ 7, Port 2
interrupts on IRQ 4, Port 3 interrupts on IRQ 12, and Port 4,
interrupts on IRQ 10.
JB3
IRQ select
B
9
7
4 36
5
IRQ jumper block
JB1
C
D
15
11
1014
12
IRQ jumper block
JB2
A
B
C
D
E
F
G
Xtreme/104 Opto User's Manual, ver. 0.03
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