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  • $25.79
  • Free 30-day Returns
  • Ships from China.
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    6 Pack DB25 Female to Female RS232 Serial Coupler, D-SUB 25Pin Gender Changer Extender Adapter for Industrial Serial Controllers, POS, Testing Equipment

    • Standard DB25 Dual-Female Coupler: Connect two DB25 male serial cables to extend RS232 serial wiring length flexibly
    • Gold-Plated Precision Contacts: Anti-oxidation, minimize signal attenuation and electromagnetic noise, stable long-distance data communication
    • Compact Mini Inline Structure: No bulky protrusions, fits narrow gaps on industrial panels, server cabinets and test devices
    • Broad Legacy Serial Compatibility: Matches industrial PLC, measuring instruments, old printers, archival storage and serial test gear
    • Driver-Free Plug & Play Design: No extra power or software needed, cost-effective 6-pack for multi-channel serial wiring projects
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    Any questions? Our AI beta will help you find out quickly.

    This 6-pack DB25 female-to-female D-SUB serial gender changer is a practical inline extender for all 25-pin RS232 serial equipment. It bridges two male-ended DB25 cables to lengthen transmission lines without replacing full serial cables.

    All internal conductive pins are gold-plated with shielding design to suppress external interference, preventing data errors, device unrecognition and communication disconnection during continuous heavy-load industrial operation.

    The lightweight tiny body does not block equipment ports, and sturdy wear-resistant plastic housing supports frequent plugging and unplugging for long-term stable use. No complicated setup required, direct plug-and-play operation.

    Perfect for industrial automation equipment debugging, laboratory measuring instrument wiring, vintage printer/server maintenance and archival data storage serial system transformation.

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