AC422AT OPTO 22, AC422AT Datasheet - Page 3

• 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
Jumper Installation
CONFIGURING FOR THE AC422AT
configurations of the COM ports in the host PC. Refer to the following diagrams for jumper settings for the various COM ports.
COMPATIBILITY
if a loop-back connector is used.
AC422AT
AC24AT
COM2
COM3
COM4
COM1
Before installing your adapter card, configure your board by selecting the appropriate address, interrupt, and communications jumpers.
These adapter cards can be configured as COM1 through COM4. Select which COM port is to be used based on the current
The AC422AT use the same UART used in the AT model computers.
The RS-422/485 adapter cards are seen by the computer as a standard serial port and will pass the IBM Advanced Diagnostics program
and
Inside Sales: (800) 321-OPTO • Product Support: (800) TEK-OPTO • [phone] • Fax: [phone] • E-mail: [e-mail]
Address
3F8 Hex
2F8 Hex
348 Hex
340 Hex
IRQ
4
3
2
5
Jumpers
Group A
Installed
3, 4, 5, 7
NONE
4, 5, 7
8
Jumpers
COM2
COM1
IRQ2
IRA5
IRQ
INTERFACES
PC ADAPTER CARDS
TRADITIONAL
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