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RS-232 Serial Cable - Shielded, PVC, Molded, DB25 Male/Male with Thumbscrews, 10-ft.

Extend existing parallel or serial connections.


507 In Stock
Same Day Shipping (before 5PM ET)
Lifetime Double Diamond™ Warranty (Standard)

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Product Features

  • Multipurpose RS-232 DB25 serial cables.
  • Extend existing serial cable up to 25 feet (7.6 m).
  • Guaranteed for life!


  • They’re ideal for connecting a computer to a modem.
  • Fully molded with thumbscrews.
  • Feature 28 AWG conductors.
  • Foil shielded for EMI/RFI protection.
  • All 25 pins connected straight through (1–1, 2–2,…25–25).

    Place your serial printer or modem anywhere. Extend existing serial or parallel cables, connect a switch box, connect a modem—there are many uses for these DB extensions.

    These cables have two DB25 connectors (female/female, male/female, or male/male), and they’re connected straight through.

    If you need distances longer than 25 feet (7.6 m), see our Extended-Distance Data Cables (EDN25C) and Extended-Distance/Quiet Cables (EBN25C). These cables extend serial transmissions up to 500 feet (150 m).
    NOTE: For longer lengths, contact our FREE Tech Support.

  • Tech Specs

    Conductor Gauge DB25
    Conductors 25
    Shielding 100% foil wrap
    For longer lengths, contact our FREE Tech Support.

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.


    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The 10ft. RS232 Serial Cable Shielded CM Molded DB25 M/M w/Thumbscrews comes with a standard Lifetime Double Diamond™ Warranty (Standard) already included.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.