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Ultra-485 3055 ISA 1-Port RS-422, RS-485 Serial Interface

$30.00
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SKU:
43833
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Used
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Ultra-485 3055  ISA 1-Port RS-422, RS-485 Serial Interface

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  • The 3055 ISA serial interface card provides a single RS-422 or RS-485 port for connection to serial devices. Individually selectable addresses and extended AT interrupts allow for seamless integration into OS/2 and Windows systems. The ULTRA 485's auto enable design eliminates RS-485 communications roadblocks under Windows and OS/2. The ULTRA 485 appears to the host system as a standard COM: port requiring no special drivers or additional software