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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. USB to RS-422 Converter

    Regular Price: $32.95

    Special Price $9.89

    3ft gray USB to RS-422 serial converter adapter is designed for rugged application areas with its strong molded enclosure, can be configured for both RS-422 and RS-485 and are fully compliant with USB specifications 1.1 and 2.0 with transfer rates of up to 3Mbps. Learn More
  2. 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
  3. USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above
    $21.95

    This 3 ft. USB to Serial adapter is a tool of choice when supporting serial peripherals in newer computers without serial support. Now supported by Windows 11, this is an ideal solution for device support.

    • LED activity monitoring
    • Full support of RS-232 signals
    • USB bus powered
    • 3ft. cable connection
    Learn More
  4. High-Speed USB RS-232 Serial Adapter DB-9 Male FTDI Chipset - Windows 10
    $24.95

    Work smarter, not harder! this serial cable gives you the most simple way of attaching your notebook or desktop to a serial modem, mouse, or PDA. It lets you connect an serial RS232 device to a USB port! 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. 12in. High-Speed USB to RS-232 Serial DB9 Adapter Cable - Windows 7/8

    Regular Price: $18.69

    Special Price $16.99

    Windows 7/8 Compatible 12 inch FTDI CHIP DB-9 Serial Adapter High Speed USB SERIAL RS-232 Learn More
  8. 6ft USB to DB-9 RS232 Serial Converter with FTDI Chipset

    6ft. USB to RS232 Converter with FTDI chip inside uses RX, TX, and Power LED indicators as it interfaces with your equipment. The USB to serial adapter won't give you any hassle as it installs as a standard COM port. Supports Windows 7 and VISTA (32 and 64-Bit). Learn More
  9. 72in. USB to RS-232 Serial DB9 Adapter w/ Prolific Chip (Pl-2303HX)

    Regular Price: $20.89

    Special Price $6.27

    USB DB-9 Serial 72 inch RS-232 Adapter cable for connecting to serial devices without the need for an extension. This cable features RX/TX and Power LEDs indicators while it utilizes a Prolific Chipset. Learn More
  10. 36 inch DB-9 Serial Adapter High Speed USB SERIAL RS-232 With FTDI Chipset

    Regular Price: $19.79

    Special Price $14.99

    Supports Windows 7 and 8 and Vista (32 and 64-Bit) with Microsoft Certified Drivers. This FTDI CHIP Adapter is with RX/TX and Power LED and supports OS X and VISTA! Want to connect your GPs, modem, or digital camera easily? Learn More

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