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    StarTech 3ft 1m DB9 to 3.5mm Serial Cable for Serial Device Configuration RS232 DB9 Male to 3.5mm for Calibrating via Audio Jack

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    • Manufacturer: STARTECH
    • Manufacturer Part Number: 9M351MRS232CABLE
    • UPC: 065030893565
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    3FT/1M MALE DB9 TO 3.5 MM SERIAL CONTROL CABLE CONFIGURE SERIAL DEVICES WITH A 3

    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, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

    • Return for refund until: January 31, 2027
    • Return for replacement until: January 31, 2027
    • This item is covered by Newegg.com's Extended Holiday Return Policy.
    • Read full return policy for details.

    Manufacturer Contact Info

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    The StarTech 9M351MRS232CABLE is a 3ft (1m) RS-232 serial cable with a DB9 male connector and a 3.5mm plug, suited to users configuring compatible serial devices through an audio-jack connection.

    Recommended For

    • AV technicians calibrating or configuring TVs, projectors, or digital-signage displays that support RS-232 control through a 3.5mm jack.
    • Installers or service staff connecting a computer’s DB9 serial port to a compatible display’s 3.5mm RS-232 control jack for on-site setup or calibration.
    • IT or AV teams that need a short, dedicated cable for repeat service work on compatible displays, with screw locks to help keep the DB9 connection secured.
    • Technicians using a computer with a DB9 serial port—or a separate USB-to-serial adapter—to control a compatible 3.5mm RS-232 display connection.

    Spec Summary

    AttributeValue
    Best ForConfiguring or calibrating RS232 devices through a DB9-to-3.5mm connection, including listed televisions, projectors, digital signage, audio devices, and computers
    Connectors And SignalSerial cable with 9-pin DB9 and 3.5mm audio jack connectors; male-to-male
    Cable Length And Construction3.3 feet (39.4 inches) long, with a round cable, PVC outer material, and metal material also listed
    Usage And CompatibilityListed for indoor and outdoor use with televisions, projectors, digital signage, audio devices, and computers
    Package ContentsOne DB9-to-3.5mm RS232 serial cable
    Brand And ModelStarTech model 9M351M-RS232-CABLE
    ColorBlack