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  • USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter
  • USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter
  • USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter
  • USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter
  • USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter
  • USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter
USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter
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USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter

  • 10 - 39 Pieces
    $1.98
  • 40 - 69 Pieces
    $1.88
  • 70 - 99 Pieces
    $1.78
  • >= 100 Pieces
    $1.68

Customization:

Customized packaging（Min.Order: 10000 pieces）
Customized logo（Min.Order: 10000 pieces）
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USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • USB-to-RS232 Conversion: Enables seamless connection between USB ports (Type-A) and legacy RS-232 serial devices (9-pin connector), bridging compatibility gaps between modern computers and older hardware.
  • High-Speed Data Transfer: Supports reliable communication for applications requiring fast and stable serial data exchange, such as industrial equipment, POS systems, and printers.

Key features

  • 1. Durable Material Construction

    • With a corrosion-resistant metal connector and reinforced braided cable, ensure a secure and durable connection in harsh environments. The flexible design protects against wear and tear, extending the cable’s lifespan compared to standard plastic connectors*.

  • 2. Plug-and-Play Convenience

    • With plug-and-play functionality, eliminate the need for driver installations or software configuration. Simply connect the USB-A to RS-232 ports and use immediately, saving time versus legacy adapters requiring complex setups*.

  • 3. High-Speed Data Transfer

    • Supports high-speed data transfer, enabling faster communication than older serial-only setups*. [*Disclaimer: Based on internal testing; actual results may vary]. Ideal for applications requiring real-time data exchange, such as industrial devices or printers.

  • 4. Universal Compatibility

    • Designed for both home and commercial use, seamlessly integrate legacy serial devices with USB-enabled computers. Works across operating systems like Windows, macOS, and Linux, bridging compatibility gaps between modern and older hardware*.

  • 5. Industry-Standard Compliance

    • Complies with USB and RS-232 industry standards, ensuring compatibility across multiple operating systems and devices. This certification guarantees reliable performance and safety in professional and personal settings*.

Product details

USB to RS232 Cable Converter USB to Serial Notebook Serial Port Adapter

The USB to RS232 Cable Converter bridges legacy serial devices with modern USB-enabled systems. Built with durable materials and robust connectors, it ensures reliable connectivity for electronics, industrial equipment, and retrofitted hardware. Its compact, coiled design and plug-and-play functionality simplify integration into diverse applications.

Technical specifications

FeatureSpecificationBenefit
MaterialBraided flexible outer jacket, metal connectorsEnhanced durability and secure connections
ConnectorsUSB Type-A (host) + 9-pin RS-232 (device)Universal compatibility with legacy systems
DesignCoiled cable, compact adapter housingTangle-resistant and portable
CompatibilityUSB 2.0/3.0, Windows/macOS/LinuxCross-platform usability
Data TransferUp to 115.2 kbps (RS-232 compliant)Reliable communication for serial devices

Customization guide

Adjustable parameters:

  • Cable Length: Customize from 0.5m to 3m to suit workspace requirements.
  • Power Options: Add external power adapters for high-power devices exceeding USB’s 500mA limit.
  • Connector Shielding: Reinforce EMI shielding for industrial environments with electromagnetic interference.

Get inspired

With this converter, you can seamlessly connect old industrial sensors to new laptops, retrofit printers to modern servers, or troubleshoot legacy systems without hardware replacement. Its rugged build ensures reliability in workshops, data centers, or field operations.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Current500mA (USB-powered)1.5A (external PSU*)3A (dual PSU support)
EMI ShieldingStandardEnhancedMilitary-grade**
Cable FlexibilitySemi-rigidCoiledFully braided***
Temperature Range0°C to 50°C-20°C to 70°C-40°C to 85°C

Supplier's note

  1. Technical Breakthroughs:

    • Military-grade EMI shielding (Pro Model) reduces signal interference in harsh environments.
    • Dual PSU support (Pro) enables power-hungry devices like industrial printers.
    • Full braiding (Advanced/Pro) cuts tangling risks by 40% compared to rigid cables.

  2. Optimal Selection:

    • Base Model: Ideal for basic office use (e.g., connecting a modem to a laptop).
    • Advanced Model: Best for field technicians needing portability and durability (e.g., IoT sensor deployments).
    • Pro Model: Required for industrial automation (e.g., factory PLCs in extreme temperatures). With tripled current capacity, it ensures stable operation of high-power RS-232 devices like barcode scanners.

*External power supply sold separately. **Meets MIL-STD-810H. ***30% thinner than standard coiled cables for easier routing.

Frequently asked questions

  • Which USB to RS232 cable converter is best suited for connecting legacy devices to modern laptops?

  • How do I clean and maintain a USB to serial adapter to prevent port damage?

  • What materials make the USB to RS232 cable more durable than standard serial cables?

  • Can I customize the length of a USB to RS232 cable for industrial equipment setups?

  • Is this USB to RS232 converter RS232 protocol-compliant and certified for industrial use?

  • What are the common use cases for a USB to serial adapter in electronic applications?

  • Does the USB to RS232 cable work with all operating systems without drivers?

  • How do I troubleshoot a USB to RS232 adapter not recognizing my serial device?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material & ConstructionIndustrial machinery, outdoor equipmentBraided nylon jacket (IEC 60695-2-11 flame resistance) ▲
Industry: PVC coating (no flame rating)		Enhanced durability and safety in hazardous environmentsSlightly heavier than standard cables (230g vs 180g)
ConnectorsLegacy device integrationUSB Type-A (USB-IF certified) + 9-pin RS-232 (IEC 61076-3-100 compliant) ▲
Industry: Unshielded connectors		Reliable signal transmission; backward compatibility with older systemsLimited to 9-pin devices (no 25-pin support in Base tier)
DesignPortable devices, mobile workstationsCoiled cable (ISO 10320 flexibility rating) ▲
Industry: Straight, rigid cables		Reduces tangling; compact storage (2m coiled = 0.5m folded)Coiling may introduce signal loss in extreme bends (tested <5% at 180°)
FunctionalityHigh-speed data transferBase: 115.2 kbps (RS-232 standard) ▲
Advanced: 256 kbps (Custom FPGA chip)		Meets most serial device needs; plug-and-play compatibilityAdvanced tier requires OS-specific drivers for full speed (Windows/macOS only)
CompatibilityCross-platform useBase: Windows/macOS/Linux (USB 2.0) ▲
Advanced: Adds USB 3.0 support + legacy OS (Windows XP)		Broad hardware compatibility; no driver installation needed for Base tierAdvanced tier adds $20 cost due to dual-protocol chip
Power SupplyHigh-power devices (e.g., industrial sensors)Base: Powered via USB (500mA max) ▲
Advanced: Built-in 12V adapter port		Eliminates need for external power bricks in most casesAdvanced port adds 15mm length, reducing portability in tight spaces

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