Dual Port RS-232/422/485 Interface with Extended "AT" Interrupts For IBM PC/XT/AT and Compatibles |
| OMG-COMM2-EX |
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$
199.00
OMG-COMM2-EX
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Two Independent RS-232/422/485 Interfaces
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Reliable Communication up to 5000 Feet (1.5 km)
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IBM Compatible Serial Port with Speeds to 115,200 Baud
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Selectable Address Including COM1 through COM4) or Any Other Address up to 3FF hex
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Individually Selectable Interrupts 2-5, 10-12, and 15 on the “AT”
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2 or 4 Wire RS-422 Operation
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dB-9 Male Shielded Connectors
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16550 Buffered UARTs Included
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Driver Software Included
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View related products - USB, RS232, RS485 and Ethernet Data Acquisition Systems
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The OMG-COMM2-EX is a PC bus plug-in card based on the 16550 FIFO buffered UART, which is
compatible with the standard 8250. This dual channel asynchronous serial communication card utilizes
balanced differential drivers and receivers to provide RS-422 and RS-485 communication.
Selectable and sharable extended “AT” interrupts for each port increase the OMG-COMM2-EX
versatility. Distances of 5000 ft. in noisy industrial environments are easily accommodated. The
OMG-COMM2-EX is also capable of RS-232 for applications requiring shorter distances and
RS-232 compatibility. Signals are transmitted and received via two 9-pin sub-D connectors. Bit
character lengths of 5, 6, 7 or 8, and odd, even or no parity are all available.
WIN 95/98/Me/NT/2000/XP drivers are included as well as support for Linux, QNX and DOS.
Thedrivers provide IRQ sharing, advanced UART support and serial diagnostic utilities.
Specifications
Communications Chip: 16550 UART
Number of Ports: dual RS-232/422/485
Max. Data Rate: 115K bps (RS-422/485)
Max. Data Distance: Up to 5000 ft
RS-485 Operation: Two or four wire
Operating Ambient: 0 to 50°C; 0 to 90% RH
Storage Temperature: -20 to 70°C
Current: +5 V @ 195 mA, ±12 V @ 25 mA ea.
Connector(s): DB-9
Slot: 16-bit card, 3/4 size slot
I/O Connector: Two independent 9-pin sub-D male
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† All dollar amounts on this site are shown in US currency.
Note: Comes complete with operator’s manual and software driver.
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OMG-COMM232-EX:
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Dual Port RS-232 Interface with Extended 'AT' Interrupts
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