INTERFACES
TRADITIONAL
PC ADAPTER CARD
Form 468-010131
DATA
SHEET
page 6/6
Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • Phone: (951) 695-3000 • (800) 321-OPTO • Fax: (951) 695-3095 • www.opto22.com
Inside Sales: (800) 321-OPTO • Product Support: (800) TEK-OPTO • (951) 695-3080 • Fax: (951) 695-3017 • E-mail: [email protected]
Interrupt Jumpers
If you need to select a specific interrupt line for your software, jumpers for interrupt request lines IRQ2 and IRQ5 through IRQ7
are provided in addition to the COM1 (IRQ4) and COM2 (IRQ3) jumpers. IBM PC BASIC uses interrupt driven communications, and
therefore requires that the COM1 (or COM2) interrupt jumpers be installed when doing communications using COM1 (or COM2)
from BASIC.
Group B and C Jumpers
The figure below shows the normal jumper arrangement for jumper positions B1 through B7 and C1 through C7
on the AC24AT and B1 through B8 and C1 through C7 on the AC422AT. This arrangement is suitable if the adapter card is being
used to communicate with an OPTOMUX network. For other possible configurations, refer to the figure below.
Group B and C Jumper Schematic
The adapter card is now ready to be plugged into any open slot of the computer.
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