单通道RS-422/485串行接口卡

OMG-ULTRA-485

Single Channel RS422/485 Serial Interface

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Windows XP/Vista/7 and OS/2 Compatible
Automatic Control of RS485 Driver Enable Signal
Selectable COM Port Address
Selectable and Sharable IRQ Level
Compatible with Existing Communications Drivers
16-Bit Addressing Eliminates I/O Conflicts
Speeds to 115k BPS
16550 Buffered UART Standard, Full Array of Advanced UARTS Available
Selectable Termination, Echo Mode, 2/4-Wire Operation
Includes Windows Advanced COM Drivers and Help Files

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产品描述

The OMG-ULTRA-485 provides a PC with a direct RS422/485 asynchronous link to data collection and other devices. Individually selectable address and extended 'AT' interrupts make for seamless integration into OS/2 and Windows. The OMG-ULTRA-485 eliminates communications roadblocks under Windows and OS/2 due to its advanced design. The OMG-ULTRA-485 is perceived by the system to be an RS232 port, so no special drivers or additional software is required. WIN XP/Vista/7 drivers are included as well as support for Linux. The drivers provide IRQ sharing, advanced UART support, and Windows serial diagnostics.

SPECIFICATIONS
Number of Ports: single RS422/485
Communications Chip: 16550 UART
Maximum Data Rate: 115K bps
Maximum Data Distance: 5000 ft
Operating Temperature: 0 to 50°C (32 to 158°F)
Humidity: 0 to 90% RH non-condensing
Storage Temperature: -20 to 70°C (-4 to 158°F)
Connector: DB25