USB to Serial 4-Port Adapters offering solutions in cables, compact housings, and rugged metal solutions with 4 DB9 or Terminal Blocks to interface with your R-S232, RS-422 or RS-485 devices. Offering many styles from Consumer, Professional, and industrial solutions depending on your requirements. Providing a variety of mounting styles Desktop, Din Rail and Surface mount.

4x Serial USB

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  1. 4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate
    Part # USA-FTDI4X
    Rating:
    100 % of 100
    Connect 4 new or additional Windows COM ports through this FTDI, the USB to serial adapter outputs are automatically configured once connected to give you an easy plug-and-play installation.
    $43.98
  2. 4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply
    Part # CG-UHS4P485
    Rating:
    0%
    The USB to RS-485 adapter installs automatically once connected to a USB port. When a serial device is connected to it, it will check for a fail signal indicated by a RED LED. With many application uses, this USB to RS-485 serial adapter is mountable and includes an attached USB cable.
  3. 4-port USB to RS232 Adapter FTDI FT4232H & ZyWyn
    Part # USB-4X232FTDI
    Rating:
    0%
    The CG-4X232FTDI is a 4 Port RS232 to USB 2.0 serial adapter cable that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB).
    $76.95
  4. Industrial USB 4 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
    Part # GM-FTDI4X-M
    Rating:
    0%
    Gearmo USB 4 Port Serial RS232 featuring FTDI Chipset with LED Indicators Industrial Version
    $82.49
  5. 4 port RS232 to USB FTDI chip adapter w/ RX and TX Status LED
    Part # GM-FTDI4X-LED
    Rating:
    0%
    4 Port USB To Serial Adapter with Rx / TX Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11. RXD, TXD Status LED Array Easy Plug and Play installation USB interface: standard Type A female Baud rates up to 921.600bps
    $65.95
  6. 2 Port USB Type-C To Serial Adapter w/ Per Port Rx / TX Status LED Matrix
    Part # GM-FTDI2XC-LED
    Rating:
    0%
    2 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 2 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11. RXD, TXD Status LED Array Easy Plug and Play installation USB interface: standard Type-C female Baud rates up to 921.600bps
  7. 4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
    Part # GM-FTDI4XC-LED
    Rating:
    0%
    4 Port USB-C to Serial adapter with RX/TX LED Indicators easily adds 4 standard serial ports to your desktop, laptop or other mobile device and fully supports Windows 11. RXD, TXD Status LED Array Easy Plug and Play installation USB interface: standard Type-C female Baud rates up to 921.600bps
  8. 4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts
    Part # USA-FTDI4X-NUT
    Rating:
    0%
    Add a 4 Port RS232 to USB adapter to your system without having to configure it! The USA-FTDI4x-NUT USB to Serial Adapter protects your devices from ESD and high voltage spikes and other electrical surges that may cause damage. Automatic handshaking 3ft. cable connection Compatible with serial office equipment
  9. USB to serial 4 Port DB-9 RS-232 Adapter with FTDI Chip
    Part # USBG-BAY4
    Rating:
    90 % of 100
    USB bay docking USBG-BAY4 serial adapter box supports Windows 7 and Vista (32 and 64-Bit) RS232 Port X 4 feature a rugged metal enclosure! Multiple modules can be added to a single USB interface allowing you to add RS232 connectivity as needed.
  10. 4-Port DB-9 RS232 to USB Adapter with Isolation and Surge Protection
    Part # CM-41042
    Rating:
    90 % of 100
    4-x port RS232 to USB adapter with isolation and surge protection each serial ports offer data transfer rate up to 920 Kbps for high system performance. Users are able to connect multiple serial devices through one USB port on their system.
    $249.99
  11. Professional Quad Port USB to Serial DB-9 RS-232 Adapter
    Part # USB2-4COM-M
    Rating:
    0%
    USB 2.0 quad port serial DB-9 RS-232 adapter box is designed to make serial port expansion quick and simple. It instantly adds four RS-232 serial communication ports to your system with no conflicts with FTDI Chipset
    $98.95
  12. USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
    Part # USBG-4X232P1
    Rating:
    0%
    Windows 10 mountable 4-port serial cable adapter helps expand to four DB-9 connections from an available USB host port. The USB to serial adapter uses the FTDI FT232RL Chips, Mutli TT USB 2.0 GL852 Chip and ZT213LFEA Zywyn Corporation to achieve its high speed output.
  13. USB-4COMi-M USB to Quad RS-422/485 Metal case with DIN-Rail
    Part # USB-4COMi-M
    Rating:
    0%
    USB-4COMi-M USB to Quad RS-422/485 Serial Adapter for Windows 10, 8, 7 and Server 2003/2008 is housed in a metal chassis to protect the item. External dip switches to easily configure the item.
  14. 4-Port USB to RS-232 w/ Optical-isolation, Surge Protection, Metal Case
    Part # USB2-4COM-SI-M
    Rating:
    0%
    Optical isolation and surge protection are available on serial port and is individually optically isolated with 2000 volt DC optical isolation on 8 signal pins, GND is isolated by 5V DC-to-DC converter. The optical isolation protects your computer from spikes and surges.
  15. USB-4COMi-SI-M USB to Quad RS-422/485 Metal case with DIN-Rail
    Part # USB-4COMi-SI-M
    Rating:
    0%
    Optical isolated Quad RS-422/485 Serial Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds four RS-422, or RS-485 serial communication ports to your system.
  16. USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter
    Part # USB2-4COMi-TB
    Rating:
    0%
    4 optically isolated and surge protected terminal block ports, the USB2-4COMi-TB USB to quad port industrial serial adapter is designed to make RS-422 and RS-485 serial port expansion quick and easy.
  17. USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
    Part # USB2-4COMi-SI-TB
    Rating:
    0%
    4 optically isolated and surge protected terminal block ports, The USB2-4COMi-SI-TB is a USB 2 to 4-port industrial serial adapter that protects you device(s) with optical Isolation, 15KV ESD.
    $239.95
  18. 4-Port USB DB-9 Serial Adapter Solution for Windows Operating Systems
    Part # USB-4COM
    Rating:
    0%
    provides instant connectivity with modems, ISDN TAs, PDS, handheld & pocket PCs, digital cameras, POS, serial printers, etc. It is suitable for remote access, retail and industrial applications, data collection and other applications requiring a high speed serial communications port.
  19. -12%
    4-Port Compact Industrial USB to RS-232 w/ 1m Octopus Cable & DIN Rail
    Part # USB2-4COM-M-CBL
    Rating:
    0%
    4-Port RS-232 USB to serial adapter adds four industrial RS-232 serial ports by connecting to a USB host port and can be mounted to a Din rail conveniently for stable connections. it is compliant with USB 1.1/2.0 compatible Speed 480 Mbps, hi-speed USB and supports FIFO 128 byte transmit FIFO 384 receive FIFO.
    was $109.95 Special Price $96.70
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