Skip to main content
  • $39.67
  • Free 82-day Returns
  • Sold by Newegg

    Shipped by Newegg

    Price alert

    Best Sellers

    Hot Seller
    4.1 (2,367 total ratings)
    • $35.48
    • + FREE SHIPPING
    Top Rated
    4.4 (8,592 total ratings)
    • $41.89
    • + FREE SHIPPING
    Shop it at NeweggBusiness.

    Black Box EYN257T-0006-FF RS232 Shielded Null Modem Cable - Metal Hood, DB9 Female/Female, Gray, 6 ft.

    • Ideal for AT-to-AT file transfers.
    • Gray PVC jacket with metal (EMI/RFI) hoods.
    • Has 115-ohm nominal impedance at 1 MHz or above.
    • Crosses Pins 2 and 3 for RS-232 standards compliance.
    +
    +
    Overview
    Specs
    Reviews
    See all Q & A

    Any questions? Ask CelesteSM will help you find out quickly.

    Connectivity from the data center to the desktop and beyond.

    For performance designed to last the lifetime of your cabling system choose Black Box. You'll get high-performance copper and fiber cabling solutions for structured cabling systems data centers industrial environments multimedia systems datacomm connections and more including custom cables.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 1 year
    • Limited Warranty period (labor): 1 year
    • Read full details

    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.
    LOADING...
    LOADING...

    The Black Box EYN257T-0006-FF is a 6-foot, shielded RS-232 null modem cable with DB9 female connectors at both ends, suited to connecting compatible serial devices for AT-to-AT file transfers.

    Recommended For

    • Owners of two older PCs with male DB9 serial ports who want to transfer files using compatible serial-transfer software.
    • Technicians connecting two RS-232 DTE devices with male DB9 ports when the equipment manuals call for a null-modem connection.
    • Legacy-computing hobbyists linking a DB9-equipped computer to compatible serial equipment for terminal sessions or direct data exchange.
    • Users who need a short, shielded DB9 serial link for a compatible setup where reducing EMI/RFI exposure is a consideration.

    Spec Summary

    AttributeValue
    Best ForConnecting serial devices such as modems, mice, and keyboards to computers, including AT-to-AT file transfers
    Cable Type And Length6 ft. RS-232 serial null modem cable
    Connector ConfigurationTwo 9-pin DB9 female connectors
    Construction And ElectricalGray PVC jacket with metal EMI/RFI hoods; 115-ohm nominal impedance at 1 MHz or above; crosses pins 2 and 3 for RS-232 compliance
    Model And BrandBlack Box EYN257T-0006-FF