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  1. USB 2.0 Industrial Adapter User Selectable RS232/422/485 FTDI Chip

    USB-COMi+ (USB-COMiPLUS) 1-Port RS-232/422/485 USB-to-Serial Adapter features Easy Mode Setting by Hidden DIP Switch Adds one RS-232, RS-422 or RS-485 serial port by connecting to a USB. Learn More
  2. USB to RS-485 Adapter W/Terminal Block Changer FTDI chip inside

    Out of stock

    Professional grade USB to RS485 Converter optimized for Windows 7/8/10 and Server 2003/2008. High-Speed and Interface compliance,USB1.1,2.0,3.0, EIA/TIA RS-485. Learn More
  3. 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
  4. 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
  5. 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
  6. Industrial Professional USB Serial Adapter RS232 FTDI with 5Volt Out

    USB Serial Adapter RS232 with 5Volt Output Option on Pin9 Selectable Via Jumper, Great for Barcode Scanners and POS devices. FTDI Chip with Windows 7 Drivers Supports Windows 7 and Vista (32 and 64-bit) Learn More
  7. USB Isolator 3000 Vrms Rugged Metal Chassis
    $59.89

    The USBG-ISO-M is a rugged, industrial-grade full / low speed USB isolator that provides high-voltage 3 kV isolation to protect the host computer and expensive USB equipment connected. Learn More
  8. 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
  9. 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
  10. PROLIFIC CHIP 16 inch DB-9 Serial Adapter High Speed USB SERIAL RS-232

    For the computer users that require an RS-232 connection over a shorter cable length, this 12 inch USB to DB-9 converter cable (CG-RS232-P12) include RX/TX communication signals and Power LEDs that utilizes a Prolific Chipset. Learn More

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