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OMG-ULTRA-COMM422 $349
Four Port Automatic RS-485/422 Interface for DOS, Windows 3.1x/95/NT and OS/2

• Four Port RS-485/422 Interface for DOS, Windows 3.1x/95/NT, and OS/2 Communications

• Automatic Control of RS-485 Driver Enable (no Special Software Required)

• Selectable Address Including COM1: - COM4: and Other I/O Addresses or 32 Consecutive I/O Locations

• Selectable and Sharable IRQ Level (2-5, 7, 10-12, and 15)

• On Board Interrupt Status Port for Greater Throughput

• Compatible with Existing Communication Drivers

• 16-bit Addressing Eliminates I/O Conflicts

• 16650 Buffered UART Standard/16650 or 16750 Buffered UART Optional

• Data Rates Supported up to 460K bps

• Selectable Termination, Echo Mode, Two or Four Wire Operation

• DB-9P Connectors Providing TD, RD, RTS and CTS

The OMG-ULTRA-COMM422 provides the PC with four RS-485/422 Asynchronous links to data collection or other devices. Individually selectable addresses and extended ╥AT╙ interrupts allow for seamless integration into DOS, Windows 3.1x/95/NT and OS/2 systems. The OMG-ULTRA-COMM422 appears to the host system as a standard COM: port requiring no special drivers or additional software.

A serial utility diskette is supplied with the OMG-ULTRA-COMM422 which includes all the Windows and DOS tools necessary to verify the installation and operation of the board. Windows utilities include .INF files for Windows installation and also a Windows NT COM: Port Installation Utility. DOS utilities include a diagnostic program to verify card address and examine the UART, a diagnostic serial loopback test program and an interrupt driven DOS serial port driver.

Copy (to your hard drive) Serial Utility Disk Now! (For DOS, Windows 3.1, Windows 95 and Windows NT)

View an Adobe Acrobat pdf file for more product info (requires Acrobat Reader).

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