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    4 Port USB to RS232 Serial Adapter with FTDI Chipset Supports Windows 11, 10, 8, 7, Linux & Mac, Features Plug-and-Play Without Configuration, ESD & Surge Protection (5ft Length)

    • 4 RS232 PORTS FROM ONE USB: Connect up to four DB9 serial devices to a single USB port. Ideal for POS systems, PLCs, CNC machines, lab equipment, barcode scanners, digital signage, and other RS232 devices.
    • PLUG-AND-PLAY WITH NO CONFIGURATION: Designed for simple, reliable setup with automatic transmit/receive switching and built-in hardware flow control. Works seamlessly with Windows, macOS, and Linux using stable FTDI USB drivers. No external power required.
    • HIGH-SPEED, FULL-COMPATIBILITY SERIAL: Supports data rates from 300 to 921,600 bps with automatic baud rate detection and full 9-wire signaling (RTS/CTS, DTR/DSR, RI) for proper handshaking and reliable connections.
    • BUILT-IN STATUS LEDs: This RS232 adapter includes TX/RX and power LEDs provide real-time status monitoring. Integrated +/-15kV ESD and surge protection help safeguard equipment in demanding electrical environments.
    • SHIELDED, INDUSTRIAL-GRADE DESIGN: Shielded RS232 to USB cable with a ferrite ring and DB9 screw-lock connectors ensures stable, noise-resistant connections. Industrial temperature rated -40C to 85C and 595% humidity for factory floors, control cabinets, and field installations.
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    4-Port RS-232 USB to Serial Adapter used at desk, usb adapter for serial port devices

    4 port usb

    Merchant Video
    Introducing Multi-Port USB 2.0 RS-232 Serial Adapter with power LED and db9 to usb serial cable
    Connect your serial device diagram showing rs232 to usb adapter linking host system to printers
    Gearmo built for makers image showing multi usb port hub as computer desk accessory trusted by pros
    4-Port RS-232 USB to Serial Adapter used at desk, usb adapter for serial port devices

    4 port usb

    Merchant Video
    Connect your serial device diagram showing rs232 to usb adapter linking host system to printers
    Connect your serial device diagram showing rs232 to usb adapter linking host system to printers
    Gearmo built for makers image showing multi usb port hub as computer desk accessory trusted by pros

    Product information

    Compatible Devices Devices with DB9 female serial connectors such as printers, scanners, modems, CNC machines, PLCs, and other legacy serial equipment
    Specific Uses For Product Connecting legacy serial devices to modern USB host systems
    Connector Type DB9 Male w/ Screws, USB Type A
    Color Black
    Item dimensions L x W x H 36 x 1.5 x 0.5 inches
    Brand Gearmo
    Item model number USA-FTDI4X
    Item Weight 6.2 ounces
    Product Dimensions 36 x 1.5 x 0.5 inches
    Item Dimensions LxWxH 36 x 1.5 x 0.5 inches
    Manufacturer Gearmo
    Is Discontinued By Manufacturer No
    Date First Available December 2, 2010

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