AC422AT OPTO 22, AC422AT Datasheet - Page 6

• Manufacturer Part Number: AC422AT
• Description: Computers, Interface Cards
• Manufacturer: OPTO 22

Specifications of AC422AT

• Peak Reflow Compatible (260 C): No
• Leaded Process Compatible: No
• Features: Serial Port RS-422/485, Nonisolated
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DATA SHEET
Form 473-010131
Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • Phone: [phone] • (800) 321-OPTO • Fax: [phone] • www.opto22.com
© 1991–2001 Opto 22. All rights reserved. All trademarks, trade names, logos, and service marks referenced herein belong to their respective companies.
Jumper Installation (cont.)
INTERRUPT JUMPERS
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
suitable if the adaper card is being used to communicate with an OPTOMUX network. For other possible configurations, refer to figure 1.
Group B Jumpers
Group C Jumpers
If you need to select a specific interrupt line for your software, jumpers for interrupt request lines IRQ2 and IRQ5 through IRQ7 are
The tables below show the normal jumper arrangement for jumper positions B1 through B8 and C1 through C7. This arrangement is
X = Jumper Installed
: = Jumper not Installed
1
1
:
:
Inside Sales: (800) 321-OPTO • Product Support: (800) TEK-OPTO • [phone] • Fax: [phone] • E-mail: [e-mail]
X
X
2
2
3
3
:
:
FIGURE 1 - GROUP B AND C JUMPER SCHEMATIC
X
X
4
4
X
X
5
5
X
X
6
6
7
7
:
:
8
:
INTERFACES
PC ADAPTER CARDS
TRADITIONAL
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