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USB to Serial

USB to Serial Adapters supporting RS232, RS422, and RS485 signals from a USB serial interface, lower OS also supported. USBGear offers the USB to serial interface adapters in single or multiple ports and various configurations including cable length, RS232 TTL (terminal block), and style.

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  1. Industrial USB 2.0 to RS-232 Serial Adapter Optical Isolation

    USB-COM-SI-M USB RS-232 Industrial Adapter Metal case with DIN-Rail is designed for industrial applications, it is suitable for remote access, retail and industrial applications, data collection and other applications requiring high speed RS-232 serial communication port. Learn More
  2. USB-to-Optical isolated RS-232/422/485 Industrial Adapter
    $109.76

    USB to RS-232/422/485 Adapter with Optical isolation with 2000 volts DC & surge protection. Built-n ESD protection up to 25KV. Learn More
  3. Industrial Professional USB Serial Adapter RS232 FTDI with 5Volt Out

    The USB-COMPlus is compact and adds a USB to industrial RS232 serial communication port to your system with a 5 Volt option for Barcode Scanners, POS Devices, Modem Control and More with this quality constructed professional serial adapter with FTDI. Learn More
  4. 1 Port USB to Serial RS-232 Hub w/ FTDI Chipset & LED Indicators - Rugged Metal Housing Ideal for Mounting
    $34.99

    Gearmo Single Port Industrial USB 2.0 to Serial Converter with Power RX and TX LED is a great solution when a limited number of serial ports are available.

    • Utilizes FT2232H FTDI Chip set
    • Automatically configures the additional COM port
    • Plug and Play allows easy installation
    • Perfect for connecting a serial modem, bar code scanner, CNC router, or other serial devices
    • Rugged metal industrial design
    • 25KV ESD surge protection iCoupler isolation
    • Supports Windows 7, 8, 10, and 11, Linux, OSX
    Learn More
  5. USB to RS-422/485 Converter w/ DB9 Male Surge Protection
    $71.38

    Surge protection and optical isolation RS 422/485 DB9 male ports Speed up to 921.6kbps no external power supply Supports Windows 7 and Vista (32 and 64-Bit) Overview Isolated industrial serial ports on USB connect RS-422 and RS485 devices, used in industrial environment. Learn More
  6. Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
    $20.85

    RS-232 | 128 Bytes Receive | 256 Bytes Transmit | FTDI

    • Expand Your Serial Capabilities: The Mini Serial Adapter can be utilized through an existing USB Port to work with your legacy serial connections. It’s great for newer technologies with no serial port connections.
    • Safe Connections: Designed with a unique system load reduction feature, the Mini USB to Serial Adapter also offers 15kV ESD protection for connected devices.
    • Upstream: 1 USB port, Type A Male Connector
    • Downstream: 1 Male DB9, w/ nuts
    • RS-232 Signals: DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
    • Transmit Buffer: 256 Bytes
    • Receive Buffer: 128 Bytes
    • LEDs: TX / RX
    Learn More
  7. USB to Serial RS232 DB9 Adapter FTDI Chipset w/ 15kV ESD Protection, Windows 11 Support
    $19.90

    RS-232 | 512 Bytes Receive | 512 Bytes Transmit | FTDI

    • Expand Your Serial Capabilities: Connect your legacy 9-pin serial device through a USB-A port to add legacy functionality to newer technologies with no serial port connections.
    • Safe Connections: Designed with a unique system load reduction feature, the Mini USB to Serial Adapter also offers 15kV ESD protection for connected devices.
    • Plug-&-Play: The adapter’s power is drawn from a USB connection for ease of access and is compatible with Windows (up to Win 11), Mac OS, and Linux.
    • COM Retention: COM Ports are fully configurable, and after reboots, port assignments are preserved.
    • Upstream: 1 USB port, Type A Male Connector
    • Downstream: 1 Male DB9, w/ nuts
    • LEDs: Power, TX / RX
    Learn More
  8. 6ft. USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & FTDI Chipset
    $21.04

    RS-232 | 512 Bytes Receive | 512 Bytes Transmit | FTDI

    • Expand Your Serial Capabilities: Connect your legacy 9-pin serial device through a USB-A port to add legacy functionality to newer technologies with no serial port connections.
    • Safe Connections: Designed with a unique system load reduction feature, the Mini USB to Serial Adapter also offers 15kV ESD protection for connected devices.
    • Plug-&-Play: The adapter’s power is drawn from a USB connection for ease of access and is compatible with Windows (up to Win 11), Mac OS, and Linux.
    • COM Retention: COM Ports are fully configurable, and after reboots, port assignments are preserved.
    • Upstream: 1 USB port, Type A Male Connector
    • Downstream: 1 Male DB9, w/ nuts
    • LEDs: Power, TX / RX
    Learn More
  9. USB to RS-232 Serial Adapter DB9 - 8 Inch Short Cable
    $17.59

    This USB to RS-232 Serial adapter is Windows 11 supported. This standard USB to RS-232 Serial Adapter unit is compatible with most GPS and PDA devices including Garmin, Magellan, and Palm. Learn More
  10. 36 inch USB to Serial RS232 FTDI professional adapter

    36 inch rs232 serial adapter with a quality FTDI chipset FT232RL and incorporates a noise reducing ferrite core ring for a clean serial signal. Works with Windows 10 and works with applications such as industrial, lab, and office environments. Learn More

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