RS422-550 (ISA 2 port RS-422)

  • 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.


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.

Have a Question? Call: 1-800-241-5282 (US & Canada) or 1-416-674-5942

►►► Support for RS422-550 (ISA 2 port RS-422)

Weight1 lbs
Dimensions7 × 10 × 2 in

Technical Specifications

Slot RequiredISA host slot
Ports/ConnectorsTwo 9-pin serial port

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