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    StarTech.com ICUSB2321FIS USB to Serial Adapter - Optical Isolation - USB Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter Cable

    • DB9 or DB25
    • Optical Isolation
    • 921.6 Kbps Baud Rate
    • Null Modem
    • Transparent Blue Connectors
    • Add an RS232 serial port with circuit isolation to your laptop or desktop computer through USB
    • 1 Port FTDI USB to Serial RS232 Adapter Cable with Isolation
    • USB to RS232 Serial Adapter Cable
    • USB to Serial Cable
    • USB to Serial RS232 Cable
    • USB to DB9
    • USB to Serial Adapter with Optical Isolation
    • FTDI Adapter
    • FTDI USB UART Serial Adapter
    • Circuit isolation provides protection for sensitive and expensive industrial equipment
    • Portable USB-Powered design requires no bulky power adapter
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    Overview
    Specs
    Reviews (20)
    Add an RS232 serial port with circuit isolation to your laptop or desktop comput

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

    • Return for refund until: January 31, 2026
    • Return for replacement until: January 31, 2026
    • This item is covered by Newegg.ca's Extended Holiday Return Policy.
    • Read full return policy for details.
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