RS422-550 (ISA 2 port RS-422)
ISA Bus 16550 Dual Serial Board
The RS422-550 card is ideally suited to industrial uses where cable distances up to 4000 feet are required.
The board uses balanced pair transmission (differential signaling) for high immunity to line noise.
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- Adds two high-speed 16550 UART serial ports to any ISA-equipped PC.
- Serial ports support up to 115.2 kbps throughput rate.
- Each serial port selectable for any of IRQ 2/3/4/5/7/10/11/12/15
- Each serial port independently configurable as Com 1 through Com 6.
- Ideal for use with external modems, serial printers, Palm PCs, mice, point-of-sale devices, etc.
1 ISA slot
2 9-pin serial ports
Shipping weight: 3.53 oz 100 g